1898296720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{25163}}^1$

素因数の和:25240

約数の個数: 80

約数和(自身を含む): 4717948032

約数和(自身を除く): 2819651312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 920, 943, 1640, 1840, 1886, 3280, 3772, 4715, 7544, 9430, 15088, 18860, 25163, 37720, 50326, 75440, 100652, 125815, 201304, 251630, 402608, 503260, 578749, 1006520, 1031683, 1157498, 2013040, 2063366, 2314996, 2893745, 4126732, 4629992, 5158415, 5787490, 8253464, 9259984, 10316830, 11574980, 16506928, 20633660, 23149960, 23728709, 41267320, 46299920, 47457418, 82534640, 94914836, 118643545, 189829672, 237287090, 379659344, 474574180, 949148360, 1898296720]

約数ペア:

[(1, 1898296720), (2, 949148360), (4, 474574180), (5, 379659344), (8, 237287090), (10, 189829672), (16, 118643545), (20, 94914836), (23, 82534640), (40, 47457418), (41, 46299920), (46, 41267320), (80, 23728709), (82, 23149960), (92, 20633660), (115, 16506928), (164, 11574980), (184, 10316830), (205, 9259984), (230, 8253464), (328, 5787490), (368, 5158415), (410, 4629992), (460, 4126732), (656, 2893745), (820, 2314996), (920, 2063366), (943, 2013040), (1640, 1157498), (1840, 1031683), (1886, 1006520), (3280, 578749), (3772, 503260), (4715, 402608), (7544, 251630), (9430, 201304), (15088, 125815), (18860, 100652), (25163, 75440), (37720, 50326)]