666726530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5261}}^1$

素因数の和:5339

約数の個数: 64

約数和(自身を含む): 1363910400

約数和(自身を除く): 697183870

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 95, 115, 145, 190, 230, 290, 437, 551, 667, 874, 1102, 1334, 2185, 2755, 3335, 4370, 5261, 5510, 6670, 10522, 12673, 25346, 26305, 52610, 63365, 99959, 121003, 126730, 152569, 199918, 242006, 305138, 499795, 605015, 762845, 999590, 1210030, 1525690, 2299057, 2898811, 3509087, 4598114, 5797622, 7018174, 11495285, 14494055, 17545435, 22990570, 28988110, 35090870, 66672653, 133345306, 333363265, 666726530]

約数ペア:

[(1, 666726530), (2, 333363265), (5, 133345306), (10, 66672653), (19, 35090870), (23, 28988110), (29, 22990570), (38, 17545435), (46, 14494055), (58, 11495285), (95, 7018174), (115, 5797622), (145, 4598114), (190, 3509087), (230, 2898811), (290, 2299057), (437, 1525690), (551, 1210030), (667, 999590), (874, 762845), (1102, 605015), (1334, 499795), (2185, 305138), (2755, 242006), (3335, 199918), (4370, 152569), (5261, 126730), (5510, 121003), (6670, 99959), (10522, 63365), (12673, 52610), (25346, 26305)]