199915625

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 332478720

約数和(自身を除く): 132563095

約数列:

[1, 5, 7, 13, 19, 25, 35, 37, 65, 91, 95, 125, 133, 175, 185, 247, 259, 325, 455, 475, 481, 625, 665, 703, 875, 925, 1235, 1295, 1625, 1729, 2275, 2375, 2405, 3125, 3325, 3367, 3515, 4375, 4625, 4921, 6175, 6475, 8125, 8645, 9139, 11375, 11875, 12025, 16625, 16835, 17575, 21875, 23125, 24605, 30875, 32375, 40625, 43225, 45695, 56875, 59375, 60125, 63973, 83125, 84175, 87875, 115625, 123025, 154375, 161875, 216125, 228475, 284375, 300625, 319865, 415625, 420875, 439375, 615125, 771875, 809375, 1080625, 1142375, 1503125, 1599325, 2104375, 2196875, 3075625, 5403125, 5711875, 7996625, 10521875, 15378125, 28559375, 39983125, 199915625]

約数ペア:

[(1, 199915625), (5, 39983125), (7, 28559375), (13, 15378125), (19, 10521875), (25, 7996625), (35, 5711875), (37, 5403125), (65, 3075625), (91, 2196875), (95, 2104375), (125, 1599325), (133, 1503125), (175, 1142375), (185, 1080625), (247, 809375), (259, 771875), (325, 615125), (455, 439375), (475, 420875), (481, 415625), (625, 319865), (665, 300625), (703, 284375), (875, 228475), (925, 216125), (1235, 161875), (1295, 154375), (1625, 123025), (1729, 115625), (2275, 87875), (2375, 84175), (2405, 83125), (3125, 63973), (3325, 60125), (3367, 59375), (3515, 56875), (4375, 45695), (4625, 43225), (4921, 40625), (6175, 32375), (6475, 30875), (8125, 24605), (8645, 23125), (9139, 21875), (11375, 17575), (11875, 16835), (12025, 16625)]