400120968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1103

約数の個数: 128

約数和(自身を含む): 1140249600

約数和(自身を除く): 740128632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 41, 52, 62, 78, 82, 93, 104, 123, 124, 156, 164, 186, 246, 248, 312, 328, 372, 403, 492, 533, 744, 806, 984, 1009, 1066, 1209, 1271, 1599, 1612, 2018, 2132, 2418, 2542, 3027, 3198, 3224, 3813, 4036, 4264, 4836, 5084, 6054, 6396, 7626, 8072, 9672, 10168, 12108, 12792, 13117, 15252, 16523, 24216, 26234, 30504, 31279, 33046, 39351, 41369, 49569, 52468, 62558, 66092, 78702, 82738, 93837, 99138, 104936, 124107, 125116, 132184, 157404, 165476, 187674, 198276, 248214, 250232, 314808, 330952, 375348, 396552, 406627, 496428, 537797, 750696, 813254, 992856, 1075594, 1219881, 1282439, 1613391, 1626508, 2151188, 2439762, 2564878, 3226782, 3253016, 3847317, 4302376, 4879524, 5129756, 6453564, 7694634, 9759048, 10259512, 12907128, 15389268, 16671707, 30778536, 33343414, 50015121, 66686828, 100030242, 133373656, 200060484, 400120968]

約数ペア:

[(1, 400120968), (2, 200060484), (3, 133373656), (4, 100030242), (6, 66686828), (8, 50015121), (12, 33343414), (13, 30778536), (24, 16671707), (26, 15389268), (31, 12907128), (39, 10259512), (41, 9759048), (52, 7694634), (62, 6453564), (78, 5129756), (82, 4879524), (93, 4302376), (104, 3847317), (123, 3253016), (124, 3226782), (156, 2564878), (164, 2439762), (186, 2151188), (246, 1626508), (248, 1613391), (312, 1282439), (328, 1219881), (372, 1075594), (403, 992856), (492, 813254), (533, 750696), (744, 537797), (806, 496428), (984, 406627), (1009, 396552), (1066, 375348), (1209, 330952), (1271, 314808), (1599, 250232), (1612, 248214), (2018, 198276), (2132, 187674), (2418, 165476), (2542, 157404), (3027, 132184), (3198, 125116), (3224, 124107), (3813, 104936), (4036, 99138), (4264, 93837), (4836, 82738), (5084, 78702), (6054, 66092), (6396, 62558), (7626, 52468), (8072, 49569), (9672, 41369), (10168, 39351), (12108, 33046), (12792, 31279), (13117, 30504), (15252, 26234), (16523, 24216)]