221501440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 539360640

約数和(自身を除く): 317859200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 223, 256, 320, 388, 446, 485, 512, 640, 776, 892, 970, 1024, 1115, 1280, 1552, 1784, 1940, 2048, 2230, 2560, 3104, 3568, 3880, 4460, 5120, 6208, 7136, 7760, 8920, 10240, 12416, 14272, 15520, 17840, 21631, 24832, 28544, 31040, 35680, 43262, 49664, 57088, 62080, 71360, 86524, 99328, 108155, 114176, 124160, 142720, 173048, 198656, 216310, 228352, 248320, 285440, 346096, 432620, 456704, 496640, 570880, 692192, 865240, 993280, 1141760, 1384384, 1730480, 2283520, 2768768, 3460960, 5537536, 6921920, 11075072, 13843840, 22150144, 27687680, 44300288, 55375360, 110750720, 221501440]

約数ペア:

[(1, 221501440), (2, 110750720), (4, 55375360), (5, 44300288), (8, 27687680), (10, 22150144), (16, 13843840), (20, 11075072), (32, 6921920), (40, 5537536), (64, 3460960), (80, 2768768), (97, 2283520), (128, 1730480), (160, 1384384), (194, 1141760), (223, 993280), (256, 865240), (320, 692192), (388, 570880), (446, 496640), (485, 456704), (512, 432620), (640, 346096), (776, 285440), (892, 248320), (970, 228352), (1024, 216310), (1115, 198656), (1280, 173048), (1552, 142720), (1784, 124160), (1940, 114176), (2048, 108155), (2230, 99328), (2560, 86524), (3104, 71360), (3568, 62080), (3880, 57088), (4460, 49664), (5120, 43262), (6208, 35680), (7136, 31040), (7760, 28544), (8920, 24832), (10240, 21631), (12416, 17840), (14272, 15520)]