17871230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 19384450

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 139, 215, 230, 278, 299, 430, 559, 598, 695, 989, 1118, 1390, 1495, 1807, 1978, 2795, 2990, 3197, 3614, 4945, 5590, 5977, 6394, 9035, 9890, 11954, 12857, 15985, 18070, 25714, 29885, 31970, 41561, 59770, 64285, 77701, 83122, 128570, 137471, 155402, 207805, 274942, 388505, 415610, 687355, 777010, 1374710, 1787123, 3574246, 8935615, 17871230]

約数ペア:

[(1, 17871230), (2, 8935615), (5, 3574246), (10, 1787123), (13, 1374710), (23, 777010), (26, 687355), (43, 415610), (46, 388505), (65, 274942), (86, 207805), (115, 155402), (130, 137471), (139, 128570), (215, 83122), (230, 77701), (278, 64285), (299, 59770), (430, 41561), (559, 31970), (598, 29885), (695, 25714), (989, 18070), (1118, 15985), (1390, 12857), (1495, 11954), (1807, 9890), (1978, 9035), (2795, 6394), (2990, 5977), (3197, 5590), (3614, 4945)]