186406840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 428652000

約数和(自身を除く): 242245160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 107, 194, 214, 388, 428, 449, 485, 535, 776, 856, 898, 970, 1070, 1796, 1940, 2140, 2245, 3592, 3880, 4280, 4490, 8980, 10379, 17960, 20758, 41516, 43553, 48043, 51895, 83032, 87106, 96086, 103790, 174212, 192172, 207580, 217765, 240215, 348424, 384344, 415160, 435530, 480430, 871060, 960860, 1742120, 1921720, 4660171, 9320342, 18640684, 23300855, 37281368, 46601710, 93203420, 186406840]

約数ペア:

[(1, 186406840), (2, 93203420), (4, 46601710), (5, 37281368), (8, 23300855), (10, 18640684), (20, 9320342), (40, 4660171), (97, 1921720), (107, 1742120), (194, 960860), (214, 871060), (388, 480430), (428, 435530), (449, 415160), (485, 384344), (535, 348424), (776, 240215), (856, 217765), (898, 207580), (970, 192172), (1070, 174212), (1796, 103790), (1940, 96086), (2140, 87106), (2245, 83032), (3592, 51895), (3880, 48043), (4280, 43553), (4490, 41516), (8980, 20758), (10379, 17960)]