490639980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{7621}}^1$

素因数の和:7699

約数の個数: 96

約数和(自身を含む): 1459765440

約数和(自身を除く): 969125460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 435, 444, 555, 580, 740, 870, 1073, 1110, 1740, 2146, 2220, 3219, 4292, 5365, 6438, 7621, 10730, 12876, 15242, 16095, 21460, 22863, 30484, 32190, 38105, 45726, 64380, 76210, 91452, 114315, 152420, 221009, 228630, 281977, 442018, 457260, 563954, 663027, 845931, 884036, 1105045, 1127908, 1326054, 1409885, 1691862, 2210090, 2652108, 2819770, 3315135, 3383724, 4229655, 4420180, 5639540, 6630270, 8177333, 8459310, 13260540, 16354666, 16918620, 24531999, 32709332, 40886665, 49063998, 81773330, 98127996, 122659995, 163546660, 245319990, 490639980]

約数ペア:

[(1, 490639980), (2, 245319990), (3, 163546660), (4, 122659995), (5, 98127996), (6, 81773330), (10, 49063998), (12, 40886665), (15, 32709332), (20, 24531999), (29, 16918620), (30, 16354666), (37, 13260540), (58, 8459310), (60, 8177333), (74, 6630270), (87, 5639540), (111, 4420180), (116, 4229655), (145, 3383724), (148, 3315135), (174, 2819770), (185, 2652108), (222, 2210090), (290, 1691862), (348, 1409885), (370, 1326054), (435, 1127908), (444, 1105045), (555, 884036), (580, 845931), (740, 663027), (870, 563954), (1073, 457260), (1110, 442018), (1740, 281977), (2146, 228630), (2220, 221009), (3219, 152420), (4292, 114315), (5365, 91452), (6438, 76210), (7621, 64380), (10730, 45726), (12876, 38105), (15242, 32190), (16095, 30484), (21460, 22863)]