66651430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 130302000

約数和(自身を除く): 63650570

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 361, 370, 499, 703, 722, 998, 1406, 1805, 2495, 3515, 3610, 4990, 7030, 9481, 13357, 18463, 18962, 26714, 36926, 47405, 66785, 92315, 94810, 133570, 180139, 184630, 350797, 360278, 701594, 900695, 1753985, 1801390, 3507970, 6665143, 13330286, 33325715, 66651430]

約数ペア:

[(1, 66651430), (2, 33325715), (5, 13330286), (10, 6665143), (19, 3507970), (37, 1801390), (38, 1753985), (74, 900695), (95, 701594), (185, 360278), (190, 350797), (361, 184630), (370, 180139), (499, 133570), (703, 94810), (722, 92315), (998, 66785), (1406, 47405), (1805, 36926), (2495, 26714), (3515, 18962), (3610, 18463), (4990, 13357), (7030, 9481)]