405135940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:829

約数の個数: 96

約数和(自身を含む): 968018688

約数和(自身を除く): 562882748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 71, 74, 110, 142, 148, 185, 220, 284, 355, 370, 407, 701, 710, 740, 781, 814, 1402, 1420, 1562, 1628, 2035, 2627, 2804, 3124, 3505, 3905, 4070, 5254, 7010, 7711, 7810, 8140, 10508, 13135, 14020, 15422, 15620, 25937, 26270, 28897, 30844, 38555, 49771, 51874, 52540, 57794, 77110, 99542, 103748, 115588, 129685, 144485, 154220, 199084, 248855, 259370, 285307, 288970, 497710, 518740, 547481, 570614, 577940, 995420, 1094962, 1141228, 1426535, 1841527, 2189924, 2737405, 2853070, 3683054, 5474810, 5706140, 7366108, 9207635, 10949620, 18415270, 20256797, 36830540, 40513594, 81027188, 101283985, 202567970, 405135940]

約数ペア:

[(1, 405135940), (2, 202567970), (4, 101283985), (5, 81027188), (10, 40513594), (11, 36830540), (20, 20256797), (22, 18415270), (37, 10949620), (44, 9207635), (55, 7366108), (71, 5706140), (74, 5474810), (110, 3683054), (142, 2853070), (148, 2737405), (185, 2189924), (220, 1841527), (284, 1426535), (355, 1141228), (370, 1094962), (407, 995420), (701, 577940), (710, 570614), (740, 547481), (781, 518740), (814, 497710), (1402, 288970), (1420, 285307), (1562, 259370), (1628, 248855), (2035, 199084), (2627, 154220), (2804, 144485), (3124, 129685), (3505, 115588), (3905, 103748), (4070, 99542), (5254, 77110), (7010, 57794), (7711, 52540), (7810, 51874), (8140, 49771), (10508, 38555), (13135, 30844), (14020, 28897), (15422, 26270), (15620, 25937)]