70479980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 151653600

約数和(自身を除く): 81173620

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 149, 268, 298, 335, 353, 596, 670, 706, 745, 1340, 1412, 1490, 1765, 2980, 3530, 7060, 9983, 19966, 23651, 39932, 47302, 49915, 52597, 94604, 99830, 105194, 118255, 199660, 210388, 236510, 262985, 473020, 525970, 1051940, 3523999, 7047998, 14095996, 17619995, 35239990, 70479980]

約数ペア:

[(1, 70479980), (2, 35239990), (4, 17619995), (5, 14095996), (10, 7047998), (20, 3523999), (67, 1051940), (134, 525970), (149, 473020), (268, 262985), (298, 236510), (335, 210388), (353, 199660), (596, 118255), (670, 105194), (706, 99830), (745, 94604), (1340, 52597), (1412, 49915), (1490, 47302), (1765, 39932), (2980, 23651), (3530, 19966), (7060, 9983)]