120199340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 257908224

約数和(自身を除く): 137708884

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 271, 331, 335, 542, 662, 670, 1084, 1324, 1340, 1355, 1655, 2710, 3310, 5420, 6620, 18157, 22177, 36314, 44354, 72628, 88708, 89701, 90785, 110885, 179402, 181570, 221770, 358804, 363140, 443540, 448505, 897010, 1794020, 6009967, 12019934, 24039868, 30049835, 60099670, 120199340]

約数ペア:

[(1, 120199340), (2, 60099670), (4, 30049835), (5, 24039868), (10, 12019934), (20, 6009967), (67, 1794020), (134, 897010), (268, 448505), (271, 443540), (331, 363140), (335, 358804), (542, 221770), (662, 181570), (670, 179402), (1084, 110885), (1324, 90785), (1340, 89701), (1355, 88708), (1655, 72628), (2710, 44354), (3310, 36314), (5420, 22177), (6620, 18157)]