3447860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 7938000

約数和(自身を除く): 4490140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 149, 178, 260, 298, 356, 445, 596, 745, 890, 1157, 1490, 1780, 1937, 2314, 2980, 3874, 4628, 5785, 7748, 9685, 11570, 13261, 19370, 23140, 26522, 38740, 53044, 66305, 132610, 172393, 265220, 344786, 689572, 861965, 1723930, 3447860]

約数ペア:

[(1, 3447860), (2, 1723930), (4, 861965), (5, 689572), (10, 344786), (13, 265220), (20, 172393), (26, 132610), (52, 66305), (65, 53044), (89, 38740), (130, 26522), (149, 23140), (178, 19370), (260, 13261), (298, 11570), (356, 9685), (445, 7748), (596, 5785), (745, 4628), (890, 3874), (1157, 2980), (1490, 2314), (1780, 1937)]