278616910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 636418944

約数和(自身を除く): 357802034

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 73, 85, 110, 130, 143, 146, 157, 170, 187, 221, 286, 314, 365, 374, 442, 715, 730, 785, 803, 935, 949, 1105, 1241, 1430, 1570, 1606, 1727, 1870, 1898, 2041, 2210, 2431, 2482, 2669, 3454, 4015, 4082, 4745, 4862, 5338, 6205, 8030, 8635, 9490, 10205, 10439, 11461, 12155, 12410, 13345, 13651, 16133, 17270, 20410, 20878, 22451, 22922, 24310, 26690, 27302, 29359, 32266, 34697, 44902, 52195, 57305, 58718, 68255, 69394, 80665, 104390, 112255, 114610, 126071, 136510, 146795, 148993, 161330, 173485, 177463, 194837, 224510, 252142, 293590, 297986, 346970, 354926, 381667, 389674, 630355, 744965, 763334, 887315, 974185, 1260710, 1489930, 1638923, 1774630, 1908335, 1948370, 2143207, 2532881, 3277846, 3816670, 4286414, 5065762, 8194615, 10716035, 12664405, 16389230, 21432070, 25328810, 27861691, 55723382, 139308455, 278616910]

約数ペア:

[(1, 278616910), (2, 139308455), (5, 55723382), (10, 27861691), (11, 25328810), (13, 21432070), (17, 16389230), (22, 12664405), (26, 10716035), (34, 8194615), (55, 5065762), (65, 4286414), (73, 3816670), (85, 3277846), (110, 2532881), (130, 2143207), (143, 1948370), (146, 1908335), (157, 1774630), (170, 1638923), (187, 1489930), (221, 1260710), (286, 974185), (314, 887315), (365, 763334), (374, 744965), (442, 630355), (715, 389674), (730, 381667), (785, 354926), (803, 346970), (935, 297986), (949, 293590), (1105, 252142), (1241, 224510), (1430, 194837), (1570, 177463), (1606, 173485), (1727, 161330), (1870, 148993), (1898, 146795), (2041, 136510), (2210, 126071), (2431, 114610), (2482, 112255), (2669, 104390), (3454, 80665), (4015, 69394), (4082, 68255), (4745, 58718), (4862, 57305), (5338, 52195), (6205, 44902), (8030, 34697), (8635, 32266), (9490, 29359), (10205, 27302), (10439, 26690), (11461, 24310), (12155, 22922), (12410, 22451), (13345, 20878), (13651, 20410), (16133, 17270)]