910122440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{1039}}^1$

素因数の和:1470

約数の個数: 64

約数和(自身を含む): 2089152000

約数和(自身を除く): 1179029560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 359, 488, 610, 718, 1039, 1220, 1436, 1795, 2078, 2440, 2872, 3590, 4156, 5195, 7180, 8312, 10390, 14360, 20780, 21899, 41560, 43798, 63379, 87596, 109495, 126758, 175192, 218990, 253516, 316895, 373001, 437980, 507032, 633790, 746002, 875960, 1267580, 1492004, 1865005, 2535160, 2984008, 3730010, 7460020, 14920040, 22753061, 45506122, 91012244, 113765305, 182024488, 227530610, 455061220, 910122440]

約数ペア:

[(1, 910122440), (2, 455061220), (4, 227530610), (5, 182024488), (8, 113765305), (10, 91012244), (20, 45506122), (40, 22753061), (61, 14920040), (122, 7460020), (244, 3730010), (305, 2984008), (359, 2535160), (488, 1865005), (610, 1492004), (718, 1267580), (1039, 875960), (1220, 746002), (1436, 633790), (1795, 507032), (2078, 437980), (2440, 373001), (2872, 316895), (3590, 253516), (4156, 218990), (5195, 175192), (7180, 126758), (8312, 109495), (10390, 87596), (14360, 63379), (20780, 43798), (21899, 41560)]