138802500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 180

約数和(自身を含む): 454854400

約数和(自身を除く): 316051900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 199, 225, 250, 279, 300, 310, 372, 375, 398, 450, 465, 500, 558, 597, 620, 625, 750, 775, 796, 900, 930, 995, 1116, 1125, 1194, 1250, 1395, 1500, 1550, 1791, 1860, 1875, 1990, 2250, 2325, 2388, 2500, 2790, 2985, 3100, 3582, 3750, 3875, 3980, 4500, 4650, 4975, 5580, 5625, 5970, 6169, 6975, 7164, 7500, 7750, 8955, 9300, 9950, 11250, 11625, 11940, 12338, 13950, 14925, 15500, 17910, 18507, 19375, 19900, 22500, 23250, 24676, 24875, 27900, 29850, 30845, 34875, 35820, 37014, 38750, 44775, 46500, 49750, 55521, 58125, 59700, 61690, 69750, 74028, 74625, 77500, 89550, 92535, 99500, 111042, 116250, 123380, 124375, 139500, 149250, 154225, 174375, 179100, 185070, 222084, 223875, 232500, 248750, 277605, 298500, 308450, 348750, 370140, 373125, 447750, 462675, 497500, 555210, 616900, 697500, 746250, 771125, 895500, 925350, 1110420, 1119375, 1388025, 1492500, 1542250, 1850700, 2238750, 2313375, 2776050, 3084500, 3855625, 4477500, 4626750, 5552100, 6940125, 7711250, 9253500, 11566875, 13880250, 15422500, 23133750, 27760500, 34700625, 46267500, 69401250, 138802500]

約数ペア:

[(1, 138802500), (2, 69401250), (3, 46267500), (4, 34700625), (5, 27760500), (6, 23133750), (9, 15422500), (10, 13880250), (12, 11566875), (15, 9253500), (18, 7711250), (20, 6940125), (25, 5552100), (30, 4626750), (31, 4477500), (36, 3855625), (45, 3084500), (50, 2776050), (60, 2313375), (62, 2238750), (75, 1850700), (90, 1542250), (93, 1492500), (100, 1388025), (124, 1119375), (125, 1110420), (150, 925350), (155, 895500), (180, 771125), (186, 746250), (199, 697500), (225, 616900), (250, 555210), (279, 497500), (300, 462675), (310, 447750), (372, 373125), (375, 370140), (398, 348750), (450, 308450), (465, 298500), (500, 277605), (558, 248750), (597, 232500), (620, 223875), (625, 222084), (750, 185070), (775, 179100), (796, 174375), (900, 154225), (930, 149250), (995, 139500), (1116, 124375), (1125, 123380), (1194, 116250), (1250, 111042), (1395, 99500), (1500, 92535), (1550, 89550), (1791, 77500), (1860, 74625), (1875, 74028), (1990, 69750), (2250, 61690), (2325, 59700), (2388, 58125), (2500, 55521), (2790, 49750), (2985, 46500), (3100, 44775), (3582, 38750), (3750, 37014), (3875, 35820), (3980, 34875), (4500, 30845), (4650, 29850), (4975, 27900), (5580, 24875), (5625, 24676), (5970, 23250), (6169, 22500), (6975, 19900), (7164, 19375), (7500, 18507), (7750, 17910), (8955, 15500), (9300, 14925), (9950, 13950), (11250, 12338), (11625, 11940)]