1820285740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1621}}^1$

素因数の和:2267

約数の個数: 96

約数和(自身を含む): 4715270784

約数和(自身を除く): 2894985044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 617, 910, 1234, 1621, 1820, 2468, 3085, 3242, 4319, 6170, 6484, 8021, 8105, 8638, 11347, 12340, 16042, 16210, 17276, 21073, 21595, 22694, 32084, 32420, 40105, 42146, 43190, 45388, 56147, 56735, 80210, 84292, 86380, 105365, 112294, 113470, 147511, 160420, 210730, 224588, 226940, 280735, 295022, 421460, 561470, 590044, 737555, 1000157, 1122940, 1475110, 2000314, 2950220, 4000628, 5000785, 7001099, 10001570, 13002041, 14002198, 20003140, 26004082, 28004396, 35005495, 52008164, 65010205, 70010990, 91014287, 130020410, 140021980, 182028574, 260040820, 364057148, 455071435, 910142870, 1820285740]

約数ペア:

[(1, 1820285740), (2, 910142870), (4, 455071435), (5, 364057148), (7, 260040820), (10, 182028574), (13, 140021980), (14, 130020410), (20, 91014287), (26, 70010990), (28, 65010205), (35, 52008164), (52, 35005495), (65, 28004396), (70, 26004082), (91, 20003140), (130, 14002198), (140, 13002041), (182, 10001570), (260, 7001099), (364, 5000785), (455, 4000628), (617, 2950220), (910, 2000314), (1234, 1475110), (1621, 1122940), (1820, 1000157), (2468, 737555), (3085, 590044), (3242, 561470), (4319, 421460), (6170, 295022), (6484, 280735), (8021, 226940), (8105, 224588), (8638, 210730), (11347, 160420), (12340, 147511), (16042, 113470), (16210, 112294), (17276, 105365), (21073, 86380), (21595, 84292), (22694, 80210), (32084, 56735), (32420, 56147), (40105, 45388), (42146, 43190)]