400055868

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 144

約数和(自身を含む): 1133368320

約数和(自身を除く): 733312452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 331, 342, 361, 372, 513, 558, 589, 662, 684, 722, 837, 993, 1026, 1083, 1116, 1178, 1324, 1444, 1674, 1767, 1986, 2052, 2166, 2356, 2979, 3249, 3348, 3534, 3972, 4332, 5301, 5958, 6289, 6498, 7068, 8937, 9747, 10261, 10602, 11191, 11916, 12578, 12996, 15903, 17874, 18867, 19494, 20522, 21204, 22382, 25156, 30783, 31806, 33573, 35748, 37734, 38988, 41044, 44764, 56601, 61566, 63612, 67146, 75468, 92349, 100719, 113202, 119491, 123132, 134292, 169803, 184698, 194959, 201438, 226404, 238982, 277047, 302157, 339606, 358473, 369396, 389918, 402876, 477964, 554094, 584877, 604314, 679212, 716946, 779836, 1075419, 1108188, 1169754, 1208628, 1433892, 1754631, 2150838, 2339508, 3226257, 3509262, 3704221, 4301676, 5263893, 6452514, 7018524, 7408442, 10527786, 11112663, 12905028, 14816884, 21055572, 22225326, 33337989, 44450652, 66675978, 100013967, 133351956, 200027934, 400055868]

約数ペア:

[(1, 400055868), (2, 200027934), (3, 133351956), (4, 100013967), (6, 66675978), (9, 44450652), (12, 33337989), (18, 22225326), (19, 21055572), (27, 14816884), (31, 12905028), (36, 11112663), (38, 10527786), (54, 7408442), (57, 7018524), (62, 6452514), (76, 5263893), (93, 4301676), (108, 3704221), (114, 3509262), (124, 3226257), (171, 2339508), (186, 2150838), (228, 1754631), (279, 1433892), (331, 1208628), (342, 1169754), (361, 1108188), (372, 1075419), (513, 779836), (558, 716946), (589, 679212), (662, 604314), (684, 584877), (722, 554094), (837, 477964), (993, 402876), (1026, 389918), (1083, 369396), (1116, 358473), (1178, 339606), (1324, 302157), (1444, 277047), (1674, 238982), (1767, 226404), (1986, 201438), (2052, 194959), (2166, 184698), (2356, 169803), (2979, 134292), (3249, 123132), (3348, 119491), (3534, 113202), (3972, 100719), (4332, 92349), (5301, 75468), (5958, 67146), (6289, 63612), (6498, 61566), (7068, 56601), (8937, 44764), (9747, 41044), (10261, 38988), (10602, 37734), (11191, 35748), (11916, 33573), (12578, 31806), (12996, 30783), (15903, 25156), (17874, 22382), (18867, 21204), (19494, 20522)]