253751080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 409800920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 127, 152, 190, 209, 220, 239, 254, 380, 418, 440, 478, 508, 635, 760, 836, 956, 1016, 1045, 1195, 1270, 1397, 1672, 1912, 2090, 2390, 2413, 2540, 2629, 2794, 4180, 4541, 4780, 4826, 5080, 5258, 5588, 6985, 8360, 9082, 9560, 9652, 10516, 11176, 12065, 13145, 13970, 18164, 19304, 21032, 22705, 24130, 26290, 26543, 27940, 30353, 36328, 45410, 48260, 49951, 52580, 53086, 55880, 60706, 90820, 96520, 99902, 105160, 106172, 121412, 132715, 151765, 181640, 199804, 212344, 242824, 249755, 265430, 303530, 333883, 399608, 499510, 530860, 576707, 607060, 667766, 999020, 1061720, 1153414, 1214120, 1335532, 1669415, 1998040, 2306828, 2671064, 2883535, 3338830, 4613656, 5767070, 6343777, 6677660, 11534140, 12687554, 13355320, 23068280, 25375108, 31718885, 50750216, 63437770, 126875540, 253751080]

約数ペア:

[(1, 253751080), (2, 126875540), (4, 63437770), (5, 50750216), (8, 31718885), (10, 25375108), (11, 23068280), (19, 13355320), (20, 12687554), (22, 11534140), (38, 6677660), (40, 6343777), (44, 5767070), (55, 4613656), (76, 3338830), (88, 2883535), (95, 2671064), (110, 2306828), (127, 1998040), (152, 1669415), (190, 1335532), (209, 1214120), (220, 1153414), (239, 1061720), (254, 999020), (380, 667766), (418, 607060), (440, 576707), (478, 530860), (508, 499510), (635, 399608), (760, 333883), (836, 303530), (956, 265430), (1016, 249755), (1045, 242824), (1195, 212344), (1270, 199804), (1397, 181640), (1672, 151765), (1912, 132715), (2090, 121412), (2390, 106172), (2413, 105160), (2540, 99902), (2629, 96520), (2794, 90820), (4180, 60706), (4541, 55880), (4780, 53086), (4826, 52580), (5080, 49951), (5258, 48260), (5588, 45410), (6985, 36328), (8360, 30353), (9082, 27940), (9560, 26543), (9652, 26290), (10516, 24130), (11176, 22705), (12065, 21032), (13145, 19304), (13970, 18164)]