1900376060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1547

約数の個数: 96

約数和(自身を含む): 4467778560

約数和(自身を除く): 2567402500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 89, 110, 142, 178, 220, 284, 355, 356, 445, 710, 781, 890, 979, 1367, 1420, 1562, 1780, 1958, 2734, 3124, 3905, 3916, 4895, 5468, 6319, 6835, 7810, 9790, 12638, 13670, 15037, 15620, 19580, 25276, 27340, 30074, 31595, 60148, 63190, 69509, 75185, 97057, 121663, 126380, 139018, 150370, 194114, 243326, 278036, 300740, 347545, 388228, 485285, 486652, 608315, 695090, 970570, 1067627, 1216630, 1338293, 1390180, 1941140, 2135254, 2433260, 2676586, 4270508, 5338135, 5353172, 6691465, 8638073, 10676270, 13382930, 17276146, 21352540, 26765860, 34552292, 43190365, 86380730, 95018803, 172761460, 190037606, 380075212, 475094015, 950188030, 1900376060]

約数ペア:

[(1, 1900376060), (2, 950188030), (4, 475094015), (5, 380075212), (10, 190037606), (11, 172761460), (20, 95018803), (22, 86380730), (44, 43190365), (55, 34552292), (71, 26765860), (89, 21352540), (110, 17276146), (142, 13382930), (178, 10676270), (220, 8638073), (284, 6691465), (355, 5353172), (356, 5338135), (445, 4270508), (710, 2676586), (781, 2433260), (890, 2135254), (979, 1941140), (1367, 1390180), (1420, 1338293), (1562, 1216630), (1780, 1067627), (1958, 970570), (2734, 695090), (3124, 608315), (3905, 486652), (3916, 485285), (4895, 388228), (5468, 347545), (6319, 300740), (6835, 278036), (7810, 243326), (9790, 194114), (12638, 150370), (13670, 139018), (15037, 126380), (15620, 121663), (19580, 97057), (25276, 75185), (27340, 69509), (30074, 63190), (31595, 60148)]