389147920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1217}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 1036683648

約数和(自身を除く): 647535728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 571, 1142, 1217, 2284, 2434, 2855, 3997, 4568, 4868, 5710, 6085, 7994, 8519, 9136, 9736, 11420, 12170, 15988, 17038, 19472, 19985, 22840, 24340, 31976, 34076, 39970, 42595, 45680, 48680, 63952, 68152, 79940, 85190, 97360, 136304, 159880, 170380, 319760, 340760, 681520, 694907, 1389814, 2779628, 3474535, 4864349, 5559256, 6949070, 9728698, 11118512, 13898140, 19457396, 24321745, 27796280, 38914792, 48643490, 55592560, 77829584, 97286980, 194573960, 389147920]

約数ペア:

[(1, 389147920), (2, 194573960), (4, 97286980), (5, 77829584), (7, 55592560), (8, 48643490), (10, 38914792), (14, 27796280), (16, 24321745), (20, 19457396), (28, 13898140), (35, 11118512), (40, 9728698), (56, 6949070), (70, 5559256), (80, 4864349), (112, 3474535), (140, 2779628), (280, 1389814), (560, 694907), (571, 681520), (1142, 340760), (1217, 319760), (2284, 170380), (2434, 159880), (2855, 136304), (3997, 97360), (4568, 85190), (4868, 79940), (5710, 68152), (6085, 63952), (7994, 48680), (8519, 45680), (9136, 42595), (9736, 39970), (11420, 34076), (12170, 31976), (15988, 24340), (17038, 22840), (19472, 19985)]