619379860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2197

約数の個数: 96

約数和(自身を含む): 1515386880

約数和(自身を除く): 896007020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 380, 418, 710, 781, 836, 1045, 1349, 1420, 1562, 2087, 2090, 2698, 3124, 3905, 4174, 4180, 5396, 6745, 7810, 8348, 10435, 13490, 14839, 15620, 20870, 22957, 26980, 29678, 39653, 41740, 45914, 59356, 74195, 79306, 91828, 114785, 148177, 148390, 158612, 198265, 229570, 296354, 296780, 396530, 436183, 459140, 592708, 740885, 793060, 872366, 1481770, 1629947, 1744732, 2180915, 2815363, 2963540, 3259894, 4361830, 5630726, 6519788, 8149735, 8723660, 11261452, 14076815, 16299470, 28153630, 30968993, 32598940, 56307260, 61937986, 123875972, 154844965, 309689930, 619379860]

約数ペア:

[(1, 619379860), (2, 309689930), (4, 154844965), (5, 123875972), (10, 61937986), (11, 56307260), (19, 32598940), (20, 30968993), (22, 28153630), (38, 16299470), (44, 14076815), (55, 11261452), (71, 8723660), (76, 8149735), (95, 6519788), (110, 5630726), (142, 4361830), (190, 3259894), (209, 2963540), (220, 2815363), (284, 2180915), (355, 1744732), (380, 1629947), (418, 1481770), (710, 872366), (781, 793060), (836, 740885), (1045, 592708), (1349, 459140), (1420, 436183), (1562, 396530), (2087, 296780), (2090, 296354), (2698, 229570), (3124, 198265), (3905, 158612), (4174, 148390), (4180, 148177), (5396, 114785), (6745, 91828), (7810, 79306), (8348, 74195), (10435, 59356), (13490, 45914), (14839, 41740), (15620, 39653), (20870, 29678), (22957, 26980)]