7000020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 22869000

約数和(自身を除く): 15868980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 149, 162, 174, 180, 261, 270, 290, 298, 324, 348, 405, 435, 447, 522, 540, 580, 596, 745, 783, 810, 870, 894, 1044, 1305, 1341, 1490, 1566, 1620, 1740, 1788, 2235, 2349, 2610, 2682, 2980, 3132, 3915, 4023, 4321, 4470, 4698, 5220, 5364, 6705, 7830, 8046, 8642, 8940, 9396, 11745, 12069, 12963, 13410, 15660, 16092, 17284, 20115, 21605, 23490, 24138, 25926, 26820, 38889, 40230, 43210, 46980, 48276, 51852, 60345, 64815, 77778, 80460, 86420, 116667, 120690, 129630, 155556, 194445, 233334, 241380, 259260, 350001, 388890, 466668, 583335, 700002, 777780, 1166670, 1400004, 1750005, 2333340, 3500010, 7000020]

約数ペア:

[(1, 7000020), (2, 3500010), (3, 2333340), (4, 1750005), (5, 1400004), (6, 1166670), (9, 777780), (10, 700002), (12, 583335), (15, 466668), (18, 388890), (20, 350001), (27, 259260), (29, 241380), (30, 233334), (36, 194445), (45, 155556), (54, 129630), (58, 120690), (60, 116667), (81, 86420), (87, 80460), (90, 77778), (108, 64815), (116, 60345), (135, 51852), (145, 48276), (149, 46980), (162, 43210), (174, 40230), (180, 38889), (261, 26820), (270, 25926), (290, 24138), (298, 23490), (324, 21605), (348, 20115), (405, 17284), (435, 16092), (447, 15660), (522, 13410), (540, 12963), (580, 12069), (596, 11745), (745, 9396), (783, 8940), (810, 8642), (870, 8046), (894, 7830), (1044, 6705), (1305, 5364), (1341, 5220), (1490, 4698), (1566, 4470), (1620, 4321), (1740, 4023), (1788, 3915), (2235, 3132), (2349, 2980), (2610, 2682)]