488740040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5070

約数の個数: 64

約数和(自身を含む): 1166616000

約数和(自身を除く): 677875960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 1048, 1310, 2489, 2620, 4909, 4978, 5240, 9818, 9956, 12445, 19636, 19912, 24545, 24890, 39272, 49090, 49780, 93271, 98180, 99560, 186542, 196360, 373084, 466355, 643079, 746168, 932710, 1286158, 1865420, 2572316, 3215395, 3730840, 5144632, 6430790, 12218501, 12861580, 24437002, 25723160, 48874004, 61092505, 97748008, 122185010, 244370020, 488740040]

約数ペア:

[(1, 488740040), (2, 244370020), (4, 122185010), (5, 97748008), (8, 61092505), (10, 48874004), (19, 25723160), (20, 24437002), (38, 12861580), (40, 12218501), (76, 6430790), (95, 5144632), (131, 3730840), (152, 3215395), (190, 2572316), (262, 1865420), (380, 1286158), (524, 932710), (655, 746168), (760, 643079), (1048, 466355), (1310, 373084), (2489, 196360), (2620, 186542), (4909, 99560), (4978, 98180), (5240, 93271), (9818, 49780), (9956, 49090), (12445, 39272), (19636, 24890), (19912, 24545)]