71229940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 155764224

約数和(自身を除く): 84534284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 877, 1310, 1754, 2620, 3508, 4061, 4385, 8122, 8770, 16244, 17540, 20305, 27187, 40610, 54374, 81220, 108748, 114887, 135935, 229774, 271870, 459548, 543740, 574435, 1148870, 2297740, 3561497, 7122994, 14245988, 17807485, 35614970, 71229940]

約数ペア:

[(1, 71229940), (2, 35614970), (4, 17807485), (5, 14245988), (10, 7122994), (20, 3561497), (31, 2297740), (62, 1148870), (124, 574435), (131, 543740), (155, 459548), (262, 271870), (310, 229774), (524, 135935), (620, 114887), (655, 108748), (877, 81220), (1310, 54374), (1754, 40610), (2620, 27187), (3508, 20305), (4061, 17540), (4385, 16244), (8122, 8770)]