39793880

素因数分解:

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

素因数の和:361

約数の個数: 96

約数和(自身を含む): 105883200

約数和(自身を除く): 66089320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 257, 280, 316, 392, 395, 490, 514, 553, 632, 790, 980, 1028, 1106, 1285, 1580, 1799, 1960, 2056, 2212, 2570, 2765, 3160, 3598, 3871, 4424, 5140, 5530, 7196, 7742, 8995, 10280, 11060, 12593, 14392, 15484, 17990, 19355, 20303, 22120, 25186, 30968, 35980, 38710, 40606, 50372, 62965, 71960, 77420, 81212, 100744, 101515, 125930, 142121, 154840, 162424, 203030, 251860, 284242, 406060, 503720, 568484, 710605, 812120, 994847, 1136968, 1421210, 1989694, 2842420, 3979388, 4974235, 5684840, 7958776, 9948470, 19896940, 39793880]

約数ペア:

[(1, 39793880), (2, 19896940), (4, 9948470), (5, 7958776), (7, 5684840), (8, 4974235), (10, 3979388), (14, 2842420), (20, 1989694), (28, 1421210), (35, 1136968), (40, 994847), (49, 812120), (56, 710605), (70, 568484), (79, 503720), (98, 406060), (140, 284242), (158, 251860), (196, 203030), (245, 162424), (257, 154840), (280, 142121), (316, 125930), (392, 101515), (395, 100744), (490, 81212), (514, 77420), (553, 71960), (632, 62965), (790, 50372), (980, 40606), (1028, 38710), (1106, 35980), (1285, 30968), (1580, 25186), (1799, 22120), (1960, 20303), (2056, 19355), (2212, 17990), (2570, 15484), (2765, 14392), (3160, 12593), (3598, 11060), (3871, 10280), (4424, 8995), (5140, 7742), (5530, 7196)]