400253400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:856

約数の個数: 240

約数和(自身を含む): 1436783040

約数和(自身を除く): 1036529640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 81, 90, 93, 100, 108, 120, 124, 135, 150, 155, 162, 180, 186, 200, 216, 225, 248, 270, 279, 300, 310, 324, 360, 372, 405, 450, 465, 540, 558, 600, 620, 648, 675, 744, 775, 797, 810, 837, 900, 930, 1080, 1116, 1240, 1350, 1395, 1550, 1594, 1620, 1674, 1800, 1860, 2025, 2232, 2325, 2391, 2511, 2700, 2790, 3100, 3188, 3240, 3348, 3720, 3985, 4050, 4185, 4650, 4782, 5022, 5400, 5580, 6200, 6376, 6696, 6975, 7173, 7970, 8100, 8370, 9300, 9564, 10044, 11160, 11955, 12555, 13950, 14346, 15940, 16200, 16740, 18600, 19128, 19925, 20088, 20925, 21519, 23910, 24707, 25110, 27900, 28692, 31880, 33480, 35865, 39850, 41850, 43038, 47820, 49414, 50220, 55800, 57384, 59775, 62775, 64557, 71730, 74121, 79700, 83700, 86076, 95640, 98828, 100440, 107595, 119550, 123535, 125550, 129114, 143460, 148242, 159400, 167400, 172152, 179325, 197656, 215190, 222363, 239100, 247070, 251100, 258228, 286920, 296484, 322785, 358650, 370605, 430380, 444726, 478200, 494140, 502200, 516456, 537975, 592968, 617675, 645570, 667089, 717300, 741210, 860760, 889452, 988280, 1075950, 1111815, 1235350, 1291140, 1334178, 1434600, 1482420, 1613925, 1778904, 1853025, 2001267, 2151900, 2223630, 2470700, 2582280, 2668356, 2964840, 3227850, 3335445, 3706050, 4002534, 4303800, 4447260, 4941400, 5336712, 5559075, 6455700, 6670890, 7412100, 8005068, 8894520, 10006335, 11118150, 12911400, 13341780, 14824200, 16010136, 16677225, 20012670, 22236300, 26683560, 33354450, 40025340, 44472600, 50031675, 66708900, 80050680, 100063350, 133417800, 200126700, 400253400]

約数ペア:

[(1, 400253400), (2, 200126700), (3, 133417800), (4, 100063350), (5, 80050680), (6, 66708900), (8, 50031675), (9, 44472600), (10, 40025340), (12, 33354450), (15, 26683560), (18, 22236300), (20, 20012670), (24, 16677225), (25, 16010136), (27, 14824200), (30, 13341780), (31, 12911400), (36, 11118150), (40, 10006335), (45, 8894520), (50, 8005068), (54, 7412100), (60, 6670890), (62, 6455700), (72, 5559075), (75, 5336712), (81, 4941400), (90, 4447260), (93, 4303800), (100, 4002534), (108, 3706050), (120, 3335445), (124, 3227850), (135, 2964840), (150, 2668356), (155, 2582280), (162, 2470700), (180, 2223630), (186, 2151900), (200, 2001267), (216, 1853025), (225, 1778904), (248, 1613925), (270, 1482420), (279, 1434600), (300, 1334178), (310, 1291140), (324, 1235350), (360, 1111815), (372, 1075950), (405, 988280), (450, 889452), (465, 860760), (540, 741210), (558, 717300), (600, 667089), (620, 645570), (648, 617675), (675, 592968), (744, 537975), (775, 516456), (797, 502200), (810, 494140), (837, 478200), (900, 444726), (930, 430380), (1080, 370605), (1116, 358650), (1240, 322785), (1350, 296484), (1395, 286920), (1550, 258228), (1594, 251100), (1620, 247070), (1674, 239100), (1800, 222363), (1860, 215190), (2025, 197656), (2232, 179325), (2325, 172152), (2391, 167400), (2511, 159400), (2700, 148242), (2790, 143460), (3100, 129114), (3188, 125550), (3240, 123535), (3348, 119550), (3720, 107595), (3985, 100440), (4050, 98828), (4185, 95640), (4650, 86076), (4782, 83700), (5022, 79700), (5400, 74121), (5580, 71730), (6200, 64557), (6376, 62775), (6696, 59775), (6975, 57384), (7173, 55800), (7970, 50220), (8100, 49414), (8370, 47820), (9300, 43038), (9564, 41850), (10044, 39850), (11160, 35865), (11955, 33480), (12555, 31880), (13950, 28692), (14346, 27900), (15940, 25110), (16200, 24707), (16740, 23910), (18600, 21519), (19128, 20925), (19925, 20088)]