77983100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 183738240

約数和(自身を除く): 105755140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 223, 260, 269, 325, 446, 538, 650, 892, 1076, 1115, 1300, 1345, 2230, 2690, 2899, 3497, 4460, 5380, 5575, 5798, 6725, 6994, 11150, 11596, 13450, 13988, 14495, 17485, 22300, 26900, 28990, 34970, 57980, 59987, 69940, 72475, 87425, 119974, 144950, 174850, 239948, 289900, 299935, 349700, 599870, 779831, 1199740, 1499675, 1559662, 2999350, 3119324, 3899155, 5998700, 7798310, 15596620, 19495775, 38991550, 77983100]

約数ペア:

[(1, 77983100), (2, 38991550), (4, 19495775), (5, 15596620), (10, 7798310), (13, 5998700), (20, 3899155), (25, 3119324), (26, 2999350), (50, 1559662), (52, 1499675), (65, 1199740), (100, 779831), (130, 599870), (223, 349700), (260, 299935), (269, 289900), (325, 239948), (446, 174850), (538, 144950), (650, 119974), (892, 87425), (1076, 72475), (1115, 69940), (1300, 59987), (1345, 57980), (2230, 34970), (2690, 28990), (2899, 26900), (3497, 22300), (4460, 17485), (5380, 14495), (5575, 13988), (5798, 13450), (6725, 11596), (6994, 11150)]