31391850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{4271}}^1$

素因数の和:4300

約数の個数: 72

約数和(自身を含む): 90583488

約数和(自身を除く): 59191638

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 4271, 7350, 8542, 12813, 21355, 25626, 29897, 42710, 59794, 64065, 89691, 106775, 128130, 149485, 179382, 209279, 213550, 298970, 320325, 418558, 448455, 627837, 640650, 747425, 896910, 1046395, 1255674, 1494850, 2092790, 2242275, 3139185, 4484550, 5231975, 6278370, 10463950, 15695925, 31391850]

約数ペア:

[(1, 31391850), (2, 15695925), (3, 10463950), (5, 6278370), (6, 5231975), (7, 4484550), (10, 3139185), (14, 2242275), (15, 2092790), (21, 1494850), (25, 1255674), (30, 1046395), (35, 896910), (42, 747425), (49, 640650), (50, 627837), (70, 448455), (75, 418558), (98, 320325), (105, 298970), (147, 213550), (150, 209279), (175, 179382), (210, 149485), (245, 128130), (294, 106775), (350, 89691), (490, 64065), (525, 59794), (735, 42710), (1050, 29897), (1225, 25626), (1470, 21355), (2450, 12813), (3675, 8542), (4271, 7350)]