89723375

素因数分解:

$5^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 133318848

約数和(自身を除く): 43595473

約数列:

[1, 5, 7, 25, 35, 41, 61, 125, 175, 205, 287, 305, 427, 875, 1025, 1435, 1525, 1681, 2135, 2501, 5125, 7175, 7625, 8405, 10675, 11767, 12505, 17507, 35875, 42025, 53375, 58835, 62525, 87535, 102541, 210125, 294175, 312625, 437675, 512705, 717787, 1470875, 2188375, 2563525, 3588935, 12817625, 17944675, 89723375]

約数ペア:

[(1, 89723375), (5, 17944675), (7, 12817625), (25, 3588935), (35, 2563525), (41, 2188375), (61, 1470875), (125, 717787), (175, 512705), (205, 437675), (287, 312625), (305, 294175), (427, 210125), (875, 102541), (1025, 87535), (1435, 62525), (1525, 58835), (1681, 53375), (2135, 42025), (2501, 35875), (5125, 17507), (7175, 12505), (7625, 11767), (8405, 10675)]