854107990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 1641295872

約数和(自身を除く): 787187882

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 193, 230, 271, 355, 386, 542, 710, 965, 1355, 1633, 1930, 2710, 3266, 4439, 6233, 8165, 8878, 12466, 13703, 16330, 19241, 22195, 27406, 31165, 38482, 44390, 52303, 62330, 68515, 96205, 104606, 137030, 192410, 261515, 315169, 442543, 523030, 630338, 885086, 1202969, 1575845, 2212715, 2405938, 3151690, 3713513, 4425430, 6014845, 7427026, 12029690, 18567565, 37135130, 85410799, 170821598, 427053995, 854107990]

約数ペア:

[(1, 854107990), (2, 427053995), (5, 170821598), (10, 85410799), (23, 37135130), (46, 18567565), (71, 12029690), (115, 7427026), (142, 6014845), (193, 4425430), (230, 3713513), (271, 3151690), (355, 2405938), (386, 2212715), (542, 1575845), (710, 1202969), (965, 885086), (1355, 630338), (1633, 523030), (1930, 442543), (2710, 315169), (3266, 261515), (4439, 192410), (6233, 137030), (8165, 104606), (8878, 96205), (12466, 68515), (13703, 62330), (16330, 52303), (19241, 44390), (22195, 38482), (27406, 31165)]