298729640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 767370240

約数和(自身を除く): 468640600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 181, 220, 242, 248, 310, 341, 362, 440, 484, 605, 620, 682, 724, 905, 968, 1210, 1240, 1331, 1364, 1448, 1705, 1810, 1991, 2420, 2662, 2728, 3410, 3620, 3751, 3982, 4840, 5324, 5611, 6655, 6820, 7240, 7502, 7964, 9955, 10648, 11222, 13310, 13640, 15004, 15928, 18755, 19910, 21901, 22444, 26620, 28055, 30008, 37510, 39820, 41261, 43802, 44888, 53240, 56110, 61721, 75020, 79640, 82522, 87604, 109505, 112220, 123442, 150040, 165044, 175208, 206305, 219010, 224440, 240911, 246884, 308605, 330088, 412610, 438020, 481822, 493768, 617210, 678931, 825220, 876040, 963644, 1204555, 1234420, 1357862, 1650440, 1927288, 2409110, 2468840, 2715724, 3394655, 4818220, 5431448, 6789310, 7468241, 9636440, 13578620, 14936482, 27157240, 29872964, 37341205, 59745928, 74682410, 149364820, 298729640]

約数ペア:

[(1, 298729640), (2, 149364820), (4, 74682410), (5, 59745928), (8, 37341205), (10, 29872964), (11, 27157240), (20, 14936482), (22, 13578620), (31, 9636440), (40, 7468241), (44, 6789310), (55, 5431448), (62, 4818220), (88, 3394655), (110, 2715724), (121, 2468840), (124, 2409110), (155, 1927288), (181, 1650440), (220, 1357862), (242, 1234420), (248, 1204555), (310, 963644), (341, 876040), (362, 825220), (440, 678931), (484, 617210), (605, 493768), (620, 481822), (682, 438020), (724, 412610), (905, 330088), (968, 308605), (1210, 246884), (1240, 240911), (1331, 224440), (1364, 219010), (1448, 206305), (1705, 175208), (1810, 165044), (1991, 150040), (2420, 123442), (2662, 112220), (2728, 109505), (3410, 87604), (3620, 82522), (3751, 79640), (3982, 75020), (4840, 61721), (5324, 56110), (5611, 53240), (6655, 44888), (6820, 43802), (7240, 41261), (7502, 39820), (7964, 37510), (9955, 30008), (10648, 28055), (11222, 26620), (13310, 22444), (13640, 21901), (15004, 19910), (15928, 18755)]