278232010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4451}}^1$

素因数の和:4531

約数の個数: 64

約数和(自身を含む): 615444480

約数和(自身を除く): 337212470

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 329, 470, 658, 665, 893, 1330, 1645, 1786, 3290, 4451, 4465, 6251, 8902, 8930, 12502, 22255, 31157, 31255, 44510, 62314, 62510, 84569, 155785, 169138, 209197, 311570, 418394, 422845, 591983, 845690, 1045985, 1183966, 1464379, 2091970, 2928758, 2959915, 3974743, 5919830, 7321895, 7949486, 14643790, 19873715, 27823201, 39747430, 55646402, 139116005, 278232010]

約数ペア:

[(1, 278232010), (2, 139116005), (5, 55646402), (7, 39747430), (10, 27823201), (14, 19873715), (19, 14643790), (35, 7949486), (38, 7321895), (47, 5919830), (70, 3974743), (94, 2959915), (95, 2928758), (133, 2091970), (190, 1464379), (235, 1183966), (266, 1045985), (329, 845690), (470, 591983), (658, 422845), (665, 418394), (893, 311570), (1330, 209197), (1645, 169138), (1786, 155785), (3290, 84569), (4451, 62510), (4465, 62314), (6251, 44510), (8902, 31255), (8930, 31157), (12502, 22255)]