252080680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 580219200

約数和(自身を除く): 328138520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 131, 146, 262, 292, 365, 524, 584, 655, 659, 730, 1048, 1310, 1318, 1460, 2620, 2636, 2920, 3295, 5240, 5272, 6590, 9563, 13180, 19126, 26360, 38252, 47815, 48107, 76504, 86329, 95630, 96214, 172658, 191260, 192428, 240535, 345316, 382520, 384856, 431645, 481070, 690632, 863290, 962140, 1726580, 1924280, 3453160, 6302017, 12604034, 25208068, 31510085, 50416136, 63020170, 126040340, 252080680]

約数ペア:

[(1, 252080680), (2, 126040340), (4, 63020170), (5, 50416136), (8, 31510085), (10, 25208068), (20, 12604034), (40, 6302017), (73, 3453160), (131, 1924280), (146, 1726580), (262, 962140), (292, 863290), (365, 690632), (524, 481070), (584, 431645), (655, 384856), (659, 382520), (730, 345316), (1048, 240535), (1310, 192428), (1318, 191260), (1460, 172658), (2620, 96214), (2636, 95630), (2920, 86329), (3295, 76504), (5240, 48107), (5272, 47815), (6590, 38252), (9563, 26360), (13180, 19126)]