1900664560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{7901}}^1$

素因数の和:8042

約数の個数: 80

約数和(自身を含む): 4609204992

約数和(自身を除く): 2708540432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 970, 1240, 1552, 1940, 2480, 3007, 3880, 6014, 7760, 7901, 12028, 15035, 15802, 24056, 30070, 31604, 39505, 48112, 60140, 63208, 79010, 120280, 126416, 158020, 240560, 244931, 316040, 489862, 632080, 766397, 979724, 1224655, 1532794, 1959448, 2449310, 3065588, 3831985, 3918896, 4898620, 6131176, 7663970, 9797240, 12262352, 15327940, 19594480, 23758307, 30655880, 47516614, 61311760, 95033228, 118791535, 190066456, 237583070, 380132912, 475166140, 950332280, 1900664560]

約数ペア:

[(1, 1900664560), (2, 950332280), (4, 475166140), (5, 380132912), (8, 237583070), (10, 190066456), (16, 118791535), (20, 95033228), (31, 61311760), (40, 47516614), (62, 30655880), (80, 23758307), (97, 19594480), (124, 15327940), (155, 12262352), (194, 9797240), (248, 7663970), (310, 6131176), (388, 4898620), (485, 3918896), (496, 3831985), (620, 3065588), (776, 2449310), (970, 1959448), (1240, 1532794), (1552, 1224655), (1940, 979724), (2480, 766397), (3007, 632080), (3880, 489862), (6014, 316040), (7760, 244931), (7901, 240560), (12028, 158020), (15035, 126416), (15802, 120280), (24056, 79010), (30070, 63208), (31604, 60140), (39505, 48112)]