205399800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 738196800

約数和(自身を除く): 532797000

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, 409, 450, 465, 540, 558, 600, 620, 648, 675, 744, 775, 810, 818, 837, 900, 930, 1080, 1116, 1227, 1240, 1350, 1395, 1550, 1620, 1636, 1674, 1800, 1860, 2025, 2045, 2232, 2325, 2454, 2511, 2700, 2790, 3100, 3240, 3272, 3348, 3681, 3720, 4050, 4090, 4185, 4650, 4908, 5022, 5400, 5580, 6135, 6200, 6696, 6975, 7362, 8100, 8180, 8370, 9300, 9816, 10044, 10225, 11043, 11160, 12270, 12555, 12679, 13950, 14724, 16200, 16360, 16740, 18405, 18600, 20088, 20450, 20925, 22086, 24540, 25110, 25358, 27900, 29448, 30675, 33129, 33480, 36810, 38037, 40900, 41850, 44172, 49080, 50220, 50716, 55215, 55800, 61350, 62775, 63395, 66258, 73620, 76074, 81800, 83700, 88344, 92025, 100440, 101432, 110430, 114111, 122700, 125550, 126790, 132516, 147240, 152148, 165645, 167400, 184050, 190185, 220860, 228222, 245400, 251100, 253580, 265032, 276075, 304296, 316975, 331290, 342333, 368100, 380370, 441720, 456444, 502200, 507160, 552150, 570555, 633950, 662580, 684666, 736200, 760740, 828225, 912888, 950925, 1026999, 1104300, 1141110, 1267900, 1325160, 1369332, 1521480, 1656450, 1711665, 1901850, 2053998, 2208600, 2282220, 2535800, 2738664, 2852775, 3312900, 3423330, 3803700, 4107996, 4564440, 5134995, 5705550, 6625800, 6846660, 7607400, 8215992, 8558325, 10269990, 11411100, 13693320, 17116650, 20539980, 22822200, 25674975, 34233300, 41079960, 51349950, 68466600, 102699900, 205399800]

約数ペア:

[(1, 205399800), (2, 102699900), (3, 68466600), (4, 51349950), (5, 41079960), (6, 34233300), (8, 25674975), (9, 22822200), (10, 20539980), (12, 17116650), (15, 13693320), (18, 11411100), (20, 10269990), (24, 8558325), (25, 8215992), (27, 7607400), (30, 6846660), (31, 6625800), (36, 5705550), (40, 5134995), (45, 4564440), (50, 4107996), (54, 3803700), (60, 3423330), (62, 3312900), (72, 2852775), (75, 2738664), (81, 2535800), (90, 2282220), (93, 2208600), (100, 2053998), (108, 1901850), (120, 1711665), (124, 1656450), (135, 1521480), (150, 1369332), (155, 1325160), (162, 1267900), (180, 1141110), (186, 1104300), (200, 1026999), (216, 950925), (225, 912888), (248, 828225), (270, 760740), (279, 736200), (300, 684666), (310, 662580), (324, 633950), (360, 570555), (372, 552150), (405, 507160), (409, 502200), (450, 456444), (465, 441720), (540, 380370), (558, 368100), (600, 342333), (620, 331290), (648, 316975), (675, 304296), (744, 276075), (775, 265032), (810, 253580), (818, 251100), (837, 245400), (900, 228222), (930, 220860), (1080, 190185), (1116, 184050), (1227, 167400), (1240, 165645), (1350, 152148), (1395, 147240), (1550, 132516), (1620, 126790), (1636, 125550), (1674, 122700), (1800, 114111), (1860, 110430), (2025, 101432), (2045, 100440), (2232, 92025), (2325, 88344), (2454, 83700), (2511, 81800), (2700, 76074), (2790, 73620), (3100, 66258), (3240, 63395), (3272, 62775), (3348, 61350), (3681, 55800), (3720, 55215), (4050, 50716), (4090, 50220), (4185, 49080), (4650, 44172), (4908, 41850), (5022, 40900), (5400, 38037), (5580, 36810), (6135, 33480), (6200, 33129), (6696, 30675), (6975, 29448), (7362, 27900), (8100, 25358), (8180, 25110), (8370, 24540), (9300, 22086), (9816, 20925), (10044, 20450), (10225, 20088), (11043, 18600), (11160, 18405), (12270, 16740), (12555, 16360), (12679, 16200), (13950, 14724)]