313066420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 701271648

約数和(自身を除く): 388205228

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 331, 361, 380, 524, 655, 662, 722, 1310, 1324, 1444, 1655, 1805, 2489, 2620, 3310, 3610, 4978, 6289, 6620, 7220, 9956, 12445, 12578, 24890, 25156, 31445, 43361, 47291, 49780, 62890, 86722, 94582, 119491, 125780, 173444, 189164, 216805, 236455, 238982, 433610, 472910, 477964, 597455, 823859, 867220, 945820, 1194910, 1647718, 2389820, 3295436, 4119295, 8238590, 15653321, 16477180, 31306642, 62613284, 78266605, 156533210, 313066420]

約数ペア:

[(1, 313066420), (2, 156533210), (4, 78266605), (5, 62613284), (10, 31306642), (19, 16477180), (20, 15653321), (38, 8238590), (76, 4119295), (95, 3295436), (131, 2389820), (190, 1647718), (262, 1194910), (331, 945820), (361, 867220), (380, 823859), (524, 597455), (655, 477964), (662, 472910), (722, 433610), (1310, 238982), (1324, 236455), (1444, 216805), (1655, 189164), (1805, 173444), (2489, 125780), (2620, 119491), (3310, 94582), (3610, 86722), (4978, 62890), (6289, 49780), (6620, 47291), (7220, 43361), (9956, 31445), (12445, 25156), (12578, 24890)]