90691990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13597}}^1$

素因数の和:13656

約数の個数: 32

約数和(自身を含む): 176230080

約数和(自身を除く): 85538090

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3335, 6670, 13597, 27194, 67985, 135970, 312731, 394313, 625462, 788626, 1563655, 1971565, 3127310, 3943130, 9069199, 18138398, 45345995, 90691990]

約数ペア:

[(1, 90691990), (2, 45345995), (5, 18138398), (10, 9069199), (23, 3943130), (29, 3127310), (46, 1971565), (58, 1563655), (115, 788626), (145, 625462), (230, 394313), (290, 312731), (667, 135970), (1334, 67985), (3335, 27194), (6670, 13597)]