31256330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 37587190

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 331, 355, 497, 662, 665, 710, 994, 1330, 1349, 1655, 2317, 2485, 2698, 3310, 4634, 4970, 6289, 6745, 9443, 11585, 12578, 13490, 18886, 23170, 23501, 31445, 44023, 47002, 47215, 62890, 88046, 94430, 117505, 164507, 220115, 235010, 329014, 440230, 446519, 822535, 893038, 1645070, 2232595, 3125633, 4465190, 6251266, 15628165, 31256330]

約数ペア:

[(1, 31256330), (2, 15628165), (5, 6251266), (7, 4465190), (10, 3125633), (14, 2232595), (19, 1645070), (35, 893038), (38, 822535), (70, 446519), (71, 440230), (95, 329014), (133, 235010), (142, 220115), (190, 164507), (266, 117505), (331, 94430), (355, 88046), (497, 62890), (662, 47215), (665, 47002), (710, 44023), (994, 31445), (1330, 23501), (1349, 23170), (1655, 18886), (2317, 13490), (2485, 12578), (2698, 11585), (3310, 9443), (4634, 6745), (4970, 6289)]