203944920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 652017600

約数和(自身を除く): 448072680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 257, 340, 389, 408, 510, 514, 680, 771, 778, 1020, 1028, 1167, 1285, 1542, 1556, 1945, 2040, 2056, 2334, 2570, 3084, 3112, 3855, 3890, 4369, 4668, 5140, 5835, 6168, 6613, 7710, 7780, 8738, 9336, 10280, 11670, 13107, 13226, 15420, 15560, 17476, 19839, 21845, 23340, 26214, 26452, 30840, 33065, 34952, 39678, 43690, 46680, 52428, 52904, 65535, 66130, 79356, 87380, 99195, 99973, 104856, 131070, 132260, 158712, 174760, 198390, 199946, 262140, 264520, 299919, 396780, 399892, 499865, 524280, 599838, 793560, 799784, 999730, 1199676, 1499595, 1699541, 1999460, 2399352, 2999190, 3399082, 3998920, 5098623, 5998380, 6798164, 8497705, 10197246, 11996760, 13596328, 16995410, 20394492, 25493115, 33990820, 40788984, 50986230, 67981640, 101972460, 203944920]

約数ペア:

[(1, 203944920), (2, 101972460), (3, 67981640), (4, 50986230), (5, 40788984), (6, 33990820), (8, 25493115), (10, 20394492), (12, 16995410), (15, 13596328), (17, 11996760), (20, 10197246), (24, 8497705), (30, 6798164), (34, 5998380), (40, 5098623), (51, 3998920), (60, 3399082), (68, 2999190), (85, 2399352), (102, 1999460), (120, 1699541), (136, 1499595), (170, 1199676), (204, 999730), (255, 799784), (257, 793560), (340, 599838), (389, 524280), (408, 499865), (510, 399892), (514, 396780), (680, 299919), (771, 264520), (778, 262140), (1020, 199946), (1028, 198390), (1167, 174760), (1285, 158712), (1542, 132260), (1556, 131070), (1945, 104856), (2040, 99973), (2056, 99195), (2334, 87380), (2570, 79356), (3084, 66130), (3112, 65535), (3855, 52904), (3890, 52428), (4369, 46680), (4668, 43690), (5140, 39678), (5835, 34952), (6168, 33065), (6613, 30840), (7710, 26452), (7780, 26214), (8738, 23340), (9336, 21845), (10280, 19839), (11670, 17476), (13107, 15560), (13226, 15420)]