90899900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1468

約数の個数: 108

約数和(自身を含む): 247281048

約数和(自身を除く): 156381148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 350, 364, 455, 490, 637, 650, 700, 910, 980, 1225, 1274, 1300, 1427, 1820, 2275, 2450, 2548, 2854, 3185, 4550, 4900, 5708, 6370, 7135, 9100, 9989, 12740, 14270, 15925, 18551, 19978, 28540, 31850, 35675, 37102, 39956, 49945, 63700, 69923, 71350, 74204, 92755, 99890, 129857, 139846, 142700, 185510, 199780, 249725, 259714, 279692, 349615, 371020, 463775, 499450, 519428, 649285, 699230, 908999, 927550, 998900, 1298570, 1398460, 1748075, 1817998, 1855100, 2597140, 3246425, 3496150, 3635996, 4544995, 6492850, 6992300, 9089990, 12985700, 18179980, 22724975, 45449950, 90899900]

約数ペア:

[(1, 90899900), (2, 45449950), (4, 22724975), (5, 18179980), (7, 12985700), (10, 9089990), (13, 6992300), (14, 6492850), (20, 4544995), (25, 3635996), (26, 3496150), (28, 3246425), (35, 2597140), (49, 1855100), (50, 1817998), (52, 1748075), (65, 1398460), (70, 1298570), (91, 998900), (98, 927550), (100, 908999), (130, 699230), (140, 649285), (175, 519428), (182, 499450), (196, 463775), (245, 371020), (260, 349615), (325, 279692), (350, 259714), (364, 249725), (455, 199780), (490, 185510), (637, 142700), (650, 139846), (700, 129857), (910, 99890), (980, 92755), (1225, 74204), (1274, 71350), (1300, 69923), (1427, 63700), (1820, 49945), (2275, 39956), (2450, 37102), (2548, 35675), (2854, 31850), (3185, 28540), (4550, 19978), (4900, 18551), (5708, 15925), (6370, 14270), (7135, 12740), (9100, 9989)]