139278580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 346752000

約数和(自身を除く): 207473420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 257, 316, 343, 395, 490, 514, 553, 686, 790, 980, 1028, 1106, 1285, 1372, 1580, 1715, 1799, 2212, 2570, 2765, 3430, 3598, 3871, 5140, 5530, 6860, 7196, 7742, 8995, 11060, 12593, 15484, 17990, 19355, 20303, 25186, 27097, 35980, 38710, 40606, 50372, 54194, 62965, 77420, 81212, 88151, 101515, 108388, 125930, 135485, 142121, 176302, 203030, 251860, 270970, 284242, 352604, 406060, 440755, 541940, 568484, 710605, 881510, 994847, 1421210, 1763020, 1989694, 2842420, 3979388, 4974235, 6963929, 9948470, 13927858, 19896940, 27855716, 34819645, 69639290, 139278580]

約数ペア:

[(1, 139278580), (2, 69639290), (4, 34819645), (5, 27855716), (7, 19896940), (10, 13927858), (14, 9948470), (20, 6963929), (28, 4974235), (35, 3979388), (49, 2842420), (70, 1989694), (79, 1763020), (98, 1421210), (140, 994847), (158, 881510), (196, 710605), (245, 568484), (257, 541940), (316, 440755), (343, 406060), (395, 352604), (490, 284242), (514, 270970), (553, 251860), (686, 203030), (790, 176302), (980, 142121), (1028, 135485), (1106, 125930), (1285, 108388), (1372, 101515), (1580, 88151), (1715, 81212), (1799, 77420), (2212, 62965), (2570, 54194), (2765, 50372), (3430, 40606), (3598, 38710), (3871, 35980), (5140, 27097), (5530, 25186), (6860, 20303), (7196, 19355), (7742, 17990), (8995, 15484), (11060, 12593)]