78904375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 112464000

約数和(自身を除く): 33559625

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 499, 575, 625, 1265, 1375, 2495, 2875, 5489, 6325, 6875, 11477, 12475, 14375, 27445, 31625, 57385, 62375, 126247, 137225, 158125, 286925, 311875, 631235, 686125, 1434625, 3156175, 3430625, 7173125, 15780875, 78904375]

約数ペア:

[(1, 78904375), (5, 15780875), (11, 7173125), (23, 3430625), (25, 3156175), (55, 1434625), (115, 686125), (125, 631235), (253, 311875), (275, 286925), (499, 158125), (575, 137225), (625, 126247), (1265, 62375), (1375, 57385), (2495, 31625), (2875, 27445), (5489, 14375), (6325, 12475), (6875, 11477)]