2101970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 4596480

約数和(自身を除く): 2494510

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 37, 38, 46, 65, 74, 95, 115, 130, 185, 190, 230, 247, 299, 370, 437, 481, 494, 598, 703, 851, 874, 962, 1235, 1406, 1495, 1702, 2185, 2405, 2470, 2990, 3515, 4255, 4370, 4810, 5681, 7030, 8510, 9139, 11063, 11362, 16169, 18278, 22126, 28405, 32338, 45695, 55315, 56810, 80845, 91390, 110630, 161690, 210197, 420394, 1050985, 2101970]

約数ペア:

[(1, 2101970), (2, 1050985), (5, 420394), (10, 210197), (13, 161690), (19, 110630), (23, 91390), (26, 80845), (37, 56810), (38, 55315), (46, 45695), (65, 32338), (74, 28405), (95, 22126), (115, 18278), (130, 16169), (185, 11362), (190, 11063), (230, 9139), (247, 8510), (299, 7030), (370, 5681), (437, 4810), (481, 4370), (494, 4255), (598, 3515), (703, 2990), (851, 2470), (874, 2405), (962, 2185), (1235, 1702), (1406, 1495)]