508716520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 1280240640

約数和(自身を除く): 771524120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 107, 130, 164, 205, 214, 223, 260, 328, 410, 428, 446, 520, 533, 535, 820, 856, 892, 1066, 1070, 1115, 1391, 1640, 1784, 2132, 2140, 2230, 2665, 2782, 2899, 4264, 4280, 4387, 4460, 5330, 5564, 5798, 6955, 8774, 8920, 9143, 10660, 11128, 11596, 13910, 14495, 17548, 18286, 21320, 21935, 23192, 23861, 27820, 28990, 35096, 36572, 43870, 45715, 47722, 55640, 57031, 57980, 73144, 87740, 91430, 95444, 114062, 115960, 118859, 119305, 175480, 182860, 190888, 228124, 237718, 238610, 285155, 310193, 365720, 456248, 475436, 477220, 570310, 594295, 620386, 950872, 954440, 978301, 1140620, 1188590, 1240772, 1550965, 1956602, 2281240, 2377180, 2481544, 3101930, 3913204, 4754360, 4891505, 6203860, 7826408, 9783010, 12407720, 12717913, 19566020, 25435826, 39132040, 50871652, 63589565, 101743304, 127179130, 254358260, 508716520]

約数ペア:

[(1, 508716520), (2, 254358260), (4, 127179130), (5, 101743304), (8, 63589565), (10, 50871652), (13, 39132040), (20, 25435826), (26, 19566020), (40, 12717913), (41, 12407720), (52, 9783010), (65, 7826408), (82, 6203860), (104, 4891505), (107, 4754360), (130, 3913204), (164, 3101930), (205, 2481544), (214, 2377180), (223, 2281240), (260, 1956602), (328, 1550965), (410, 1240772), (428, 1188590), (446, 1140620), (520, 978301), (533, 954440), (535, 950872), (820, 620386), (856, 594295), (892, 570310), (1066, 477220), (1070, 475436), (1115, 456248), (1391, 365720), (1640, 310193), (1784, 285155), (2132, 238610), (2140, 237718), (2230, 228124), (2665, 190888), (2782, 182860), (2899, 175480), (4264, 119305), (4280, 118859), (4387, 115960), (4460, 114062), (5330, 95444), (5564, 91430), (5798, 87740), (6955, 73144), (8774, 57980), (8920, 57031), (9143, 55640), (10660, 47722), (11128, 45715), (11596, 43870), (13910, 36572), (14495, 35096), (17548, 28990), (18286, 27820), (21320, 23861), (21935, 23192)]