221753430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 397561770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 127, 135, 145, 174, 223, 254, 261, 270, 290, 381, 435, 446, 522, 635, 669, 762, 783, 870, 1115, 1143, 1270, 1305, 1338, 1566, 1905, 2007, 2230, 2286, 2610, 3345, 3429, 3683, 3810, 3915, 4014, 5715, 6021, 6467, 6690, 6858, 7366, 7830, 10035, 11049, 11430, 12042, 12934, 17145, 18415, 19401, 20070, 22098, 28321, 30105, 32335, 33147, 34290, 36830, 38802, 55245, 56642, 58203, 60210, 64670, 66294, 84963, 97005, 99441, 110490, 116406, 141605, 165735, 169926, 174609, 194010, 198882, 254889, 283210, 291015, 331470, 349218, 424815, 497205, 509778, 582030, 764667, 821309, 849630, 873045, 994410, 1274445, 1529334, 1642618, 1746090, 2463927, 2548890, 3823335, 4106545, 4927854, 7391781, 7646670, 8213090, 12319635, 14783562, 22175343, 24639270, 36958905, 44350686, 73917810, 110876715, 221753430]

約数ペア:

[(1, 221753430), (2, 110876715), (3, 73917810), (5, 44350686), (6, 36958905), (9, 24639270), (10, 22175343), (15, 14783562), (18, 12319635), (27, 8213090), (29, 7646670), (30, 7391781), (45, 4927854), (54, 4106545), (58, 3823335), (87, 2548890), (90, 2463927), (127, 1746090), (135, 1642618), (145, 1529334), (174, 1274445), (223, 994410), (254, 873045), (261, 849630), (270, 821309), (290, 764667), (381, 582030), (435, 509778), (446, 497205), (522, 424815), (635, 349218), (669, 331470), (762, 291015), (783, 283210), (870, 254889), (1115, 198882), (1143, 194010), (1270, 174609), (1305, 169926), (1338, 165735), (1566, 141605), (1905, 116406), (2007, 110490), (2230, 99441), (2286, 97005), (2610, 84963), (3345, 66294), (3429, 64670), (3683, 60210), (3810, 58203), (3915, 56642), (4014, 55245), (5715, 38802), (6021, 36830), (6467, 34290), (6690, 33147), (6858, 32335), (7366, 30105), (7830, 28321), (10035, 22098), (11049, 20070), (11430, 19401), (12042, 18415), (12934, 17145)]