299859980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 739694592

約数和(自身を除く): 439834612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 97, 140, 142, 194, 284, 311, 355, 388, 485, 497, 622, 679, 710, 970, 994, 1244, 1358, 1420, 1555, 1940, 1988, 2177, 2485, 2716, 3110, 3395, 4354, 4970, 6220, 6790, 6887, 8708, 9940, 10885, 13580, 13774, 21770, 22081, 27548, 30167, 34435, 43540, 44162, 48209, 60334, 68870, 88324, 96418, 110405, 120668, 137740, 150835, 154567, 192836, 211169, 220810, 241045, 301670, 309134, 422338, 441620, 482090, 603340, 618268, 772835, 844676, 964180, 1055845, 1545670, 2111690, 2141857, 3091340, 4223380, 4283714, 8567428, 10709285, 14992999, 21418570, 29985998, 42837140, 59971996, 74964995, 149929990, 299859980]

約数ペア:

[(1, 299859980), (2, 149929990), (4, 74964995), (5, 59971996), (7, 42837140), (10, 29985998), (14, 21418570), (20, 14992999), (28, 10709285), (35, 8567428), (70, 4283714), (71, 4223380), (97, 3091340), (140, 2141857), (142, 2111690), (194, 1545670), (284, 1055845), (311, 964180), (355, 844676), (388, 772835), (485, 618268), (497, 603340), (622, 482090), (679, 441620), (710, 422338), (970, 309134), (994, 301670), (1244, 241045), (1358, 220810), (1420, 211169), (1555, 192836), (1940, 154567), (1988, 150835), (2177, 137740), (2485, 120668), (2716, 110405), (3110, 96418), (3395, 88324), (4354, 68870), (4970, 60334), (6220, 48209), (6790, 44162), (6887, 43540), (8708, 34435), (9940, 30167), (10885, 27548), (13580, 22081), (13774, 21770)]