1379974180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{683}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 3297974400

約数和(自身を除く): 1918000220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 409, 494, 683, 818, 988, 1235, 1366, 1636, 2045, 2470, 2732, 3415, 4090, 4940, 5317, 6830, 7771, 8180, 8879, 10634, 12977, 13660, 15542, 17758, 21268, 25954, 26585, 31084, 35516, 38855, 44395, 51908, 53170, 64885, 77710, 88790, 101023, 106340, 129770, 155420, 168701, 177580, 202046, 259540, 279347, 337402, 404092, 505115, 558694, 674804, 843505, 1010230, 1117388, 1396735, 1687010, 2020460, 2793470, 3374020, 3631511, 5307593, 5586940, 7263022, 10615186, 14526044, 18157555, 21230372, 26537965, 36315110, 53075930, 68998709, 72630220, 106151860, 137997418, 275994836, 344993545, 689987090, 1379974180]

約数ペア:

[(1, 1379974180), (2, 689987090), (4, 344993545), (5, 275994836), (10, 137997418), (13, 106151860), (19, 72630220), (20, 68998709), (26, 53075930), (38, 36315110), (52, 26537965), (65, 21230372), (76, 18157555), (95, 14526044), (130, 10615186), (190, 7263022), (247, 5586940), (260, 5307593), (380, 3631511), (409, 3374020), (494, 2793470), (683, 2020460), (818, 1687010), (988, 1396735), (1235, 1117388), (1366, 1010230), (1636, 843505), (2045, 674804), (2470, 558694), (2732, 505115), (3415, 404092), (4090, 337402), (4940, 279347), (5317, 259540), (6830, 202046), (7771, 177580), (8180, 168701), (8879, 155420), (10634, 129770), (12977, 106340), (13660, 101023), (15542, 88790), (17758, 77710), (21268, 64885), (25954, 53170), (26585, 51908), (31084, 44395), (35516, 38855)]