30959740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 79672320

約数和(自身を除く): 48712580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 103, 113, 133, 140, 190, 206, 226, 266, 380, 412, 452, 515, 532, 565, 665, 721, 791, 1030, 1130, 1330, 1442, 1582, 1957, 2060, 2147, 2260, 2660, 2884, 3164, 3605, 3914, 3955, 4294, 7210, 7828, 7910, 8588, 9785, 10735, 11639, 13699, 14420, 15029, 15820, 19570, 21470, 23278, 27398, 30058, 39140, 42940, 46556, 54796, 58195, 60116, 68495, 75145, 81473, 116390, 136990, 150290, 162946, 221141, 232780, 273980, 300580, 325892, 407365, 442282, 814730, 884564, 1105705, 1547987, 1629460, 2211410, 3095974, 4422820, 6191948, 7739935, 15479870, 30959740]

約数ペア:

[(1, 30959740), (2, 15479870), (4, 7739935), (5, 6191948), (7, 4422820), (10, 3095974), (14, 2211410), (19, 1629460), (20, 1547987), (28, 1105705), (35, 884564), (38, 814730), (70, 442282), (76, 407365), (95, 325892), (103, 300580), (113, 273980), (133, 232780), (140, 221141), (190, 162946), (206, 150290), (226, 136990), (266, 116390), (380, 81473), (412, 75145), (452, 68495), (515, 60116), (532, 58195), (565, 54796), (665, 46556), (721, 42940), (791, 39140), (1030, 30058), (1130, 27398), (1330, 23278), (1442, 21470), (1582, 19570), (1957, 15820), (2060, 15029), (2147, 14420), (2260, 13699), (2660, 11639), (2884, 10735), (3164, 9785), (3605, 8588), (3914, 7910), (3955, 7828), (4294, 7210)]