420622475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 696622080

約数和(自身を除く): 275999605

約数列:

[1, 5, 7, 13, 19, 25, 35, 37, 65, 91, 95, 133, 175, 185, 247, 259, 263, 325, 455, 475, 481, 665, 703, 925, 1235, 1295, 1315, 1729, 1841, 2275, 2405, 3325, 3367, 3419, 3515, 4921, 4997, 6175, 6475, 6575, 8645, 9139, 9205, 9731, 12025, 16835, 17095, 17575, 23933, 24605, 24985, 34979, 43225, 45695, 46025, 48655, 63973, 64961, 68117, 84175, 85475, 119665, 123025, 124925, 126503, 174895, 184889, 228475, 243275, 319865, 324805, 340585, 454727, 598325, 632515, 874475, 885521, 924445, 1294223, 1599325, 1624025, 1702925, 2273635, 2403557, 3162575, 4427605, 4622225, 6471115, 11368175, 12017785, 16824899, 22138025, 32355575, 60088925, 84124495, 420622475]

約数ペア:

[(1, 420622475), (5, 84124495), (7, 60088925), (13, 32355575), (19, 22138025), (25, 16824899), (35, 12017785), (37, 11368175), (65, 6471115), (91, 4622225), (95, 4427605), (133, 3162575), (175, 2403557), (185, 2273635), (247, 1702925), (259, 1624025), (263, 1599325), (325, 1294223), (455, 924445), (475, 885521), (481, 874475), (665, 632515), (703, 598325), (925, 454727), (1235, 340585), (1295, 324805), (1315, 319865), (1729, 243275), (1841, 228475), (2275, 184889), (2405, 174895), (3325, 126503), (3367, 124925), (3419, 123025), (3515, 119665), (4921, 85475), (4997, 84175), (6175, 68117), (6475, 64961), (6575, 63973), (8645, 48655), (9139, 46025), (9205, 45695), (9731, 43225), (12025, 34979), (16835, 24985), (17095, 24605), (17575, 23933)]