77772890

素因数分解:

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

素因数の和:136

約数の個数: 96

約数和(自身を含む): 170190720

約数和(自身を除く): 92417830

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, 1369, 1406, 1495, 1702, 2185, 2405, 2470, 2738, 2990, 3515, 4255, 4370, 4810, 5681, 6845, 7030, 8510, 9139, 11063, 11362, 13690, 16169, 17797, 18278, 22126, 26011, 28405, 31487, 32338, 35594, 45695, 52022, 55315, 56810, 62974, 80845, 88985, 91390, 110630, 130055, 157435, 161690, 177970, 210197, 260110, 314870, 338143, 409331, 420394, 598253, 676286, 818662, 1050985, 1196506, 1690715, 2046655, 2101970, 2991265, 3381430, 4093310, 5982530, 7777289, 15554578, 38886445, 77772890]

約数ペア:

[(1, 77772890), (2, 38886445), (5, 15554578), (10, 7777289), (13, 5982530), (19, 4093310), (23, 3381430), (26, 2991265), (37, 2101970), (38, 2046655), (46, 1690715), (65, 1196506), (74, 1050985), (95, 818662), (115, 676286), (130, 598253), (185, 420394), (190, 409331), (230, 338143), (247, 314870), (299, 260110), (370, 210197), (437, 177970), (481, 161690), (494, 157435), (598, 130055), (703, 110630), (851, 91390), (874, 88985), (962, 80845), (1235, 62974), (1369, 56810), (1406, 55315), (1495, 52022), (1702, 45695), (2185, 35594), (2405, 32338), (2470, 31487), (2738, 28405), (2990, 26011), (3515, 22126), (4255, 18278), (4370, 17797), (4810, 16169), (5681, 13690), (6845, 11362), (7030, 11063), (8510, 9139)]