8889340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 19908000

約数和(自身を除く): 11018660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 157, 190, 298, 314, 380, 596, 628, 745, 785, 1490, 1570, 2831, 2980, 2983, 3140, 5662, 5966, 11324, 11932, 14155, 14915, 23393, 28310, 29830, 46786, 56620, 59660, 93572, 116965, 233930, 444467, 467860, 888934, 1777868, 2222335, 4444670, 8889340]

約数ペア:

[(1, 8889340), (2, 4444670), (4, 2222335), (5, 1777868), (10, 888934), (19, 467860), (20, 444467), (38, 233930), (76, 116965), (95, 93572), (149, 59660), (157, 56620), (190, 46786), (298, 29830), (314, 28310), (380, 23393), (596, 14915), (628, 14155), (745, 11932), (785, 11324), (1490, 5966), (1570, 5662), (2831, 3140), (2980, 2983)]