907821520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9791}}^1$

素因数の和:9884

約数の個数: 80

約数和(自身を含む): 2258426880

約数和(自身を除く): 1350605360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 2318, 2440, 4636, 4880, 5795, 9272, 9791, 11590, 18544, 19582, 23180, 39164, 46360, 48955, 78328, 92720, 97910, 156656, 186029, 195820, 372058, 391640, 597251, 744116, 783280, 930145, 1194502, 1488232, 1860290, 2389004, 2976464, 2986255, 3720580, 4778008, 5972510, 7441160, 9556016, 11347769, 11945020, 14882320, 22695538, 23890040, 45391076, 47780080, 56738845, 90782152, 113477690, 181564304, 226955380, 453910760, 907821520]

約数ペア:

[(1, 907821520), (2, 453910760), (4, 226955380), (5, 181564304), (8, 113477690), (10, 90782152), (16, 56738845), (19, 47780080), (20, 45391076), (38, 23890040), (40, 22695538), (61, 14882320), (76, 11945020), (80, 11347769), (95, 9556016), (122, 7441160), (152, 5972510), (190, 4778008), (244, 3720580), (304, 2986255), (305, 2976464), (380, 2389004), (488, 1860290), (610, 1488232), (760, 1194502), (976, 930145), (1159, 783280), (1220, 744116), (1520, 597251), (2318, 391640), (2440, 372058), (4636, 195820), (4880, 186029), (5795, 156656), (9272, 97910), (9791, 92720), (11590, 78328), (18544, 48955), (19582, 46360), (23180, 39164)]