218391760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 527979600

約数和(自身を除く): 309587840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 829, 890, 1424, 1480, 1658, 1780, 2960, 3293, 3316, 3560, 4145, 6586, 6632, 7120, 8290, 13172, 13264, 16465, 16580, 26344, 30673, 32930, 33160, 52688, 61346, 65860, 66320, 73781, 122692, 131720, 147562, 153365, 245384, 263440, 295124, 306730, 368905, 490768, 590248, 613460, 737810, 1180496, 1226920, 1475620, 2453840, 2729897, 2951240, 5459794, 5902480, 10919588, 13649485, 21839176, 27298970, 43678352, 54597940, 109195880, 218391760]

約数ペア:

[(1, 218391760), (2, 109195880), (4, 54597940), (5, 43678352), (8, 27298970), (10, 21839176), (16, 13649485), (20, 10919588), (37, 5902480), (40, 5459794), (74, 2951240), (80, 2729897), (89, 2453840), (148, 1475620), (178, 1226920), (185, 1180496), (296, 737810), (356, 613460), (370, 590248), (445, 490768), (592, 368905), (712, 306730), (740, 295124), (829, 263440), (890, 245384), (1424, 153365), (1480, 147562), (1658, 131720), (1780, 122692), (2960, 73781), (3293, 66320), (3316, 65860), (3560, 61346), (4145, 52688), (6586, 33160), (6632, 32930), (7120, 30673), (8290, 26344), (13172, 16580), (13264, 16465)]