289653520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6793}}^1$

素因数の和:6860

約数の個数: 80

約数和(自身を含む): 743046192

約数和(自身を除く): 453392672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 6793, 8528, 10660, 13586, 21320, 27172, 33965, 42640, 54344, 67930, 88309, 108688, 135860, 176618, 271720, 278513, 353236, 441545, 543440, 557026, 706472, 883090, 1114052, 1392565, 1412944, 1766180, 2228104, 2785130, 3532360, 3620669, 4456208, 5570260, 7064720, 7241338, 11140520, 14482676, 18103345, 22281040, 28965352, 36206690, 57930704, 72413380, 144826760, 289653520]

約数ペア:

[(1, 289653520), (2, 144826760), (4, 72413380), (5, 57930704), (8, 36206690), (10, 28965352), (13, 22281040), (16, 18103345), (20, 14482676), (26, 11140520), (40, 7241338), (41, 7064720), (52, 5570260), (65, 4456208), (80, 3620669), (82, 3532360), (104, 2785130), (130, 2228104), (164, 1766180), (205, 1412944), (208, 1392565), (260, 1114052), (328, 883090), (410, 706472), (520, 557026), (533, 543440), (656, 441545), (820, 353236), (1040, 278513), (1066, 271720), (1640, 176618), (2132, 135860), (2665, 108688), (3280, 88309), (4264, 67930), (5330, 54344), (6793, 42640), (8528, 33965), (10660, 27172), (13586, 21320)]