397620880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2504

約数の個数: 80

約数和(自身を含む): 968937984

約数和(自身を除く): 571317104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 1072, 1240, 1340, 2077, 2393, 2480, 2680, 4154, 4786, 5360, 8308, 9572, 10385, 11965, 16616, 19144, 20770, 23930, 33232, 38288, 41540, 47860, 74183, 83080, 95720, 148366, 160331, 166160, 191440, 296732, 320662, 370915, 593464, 641324, 741830, 801655, 1186928, 1282648, 1483660, 1603310, 2565296, 2967320, 3206620, 4970261, 5934640, 6413240, 9940522, 12826480, 19881044, 24851305, 39762088, 49702610, 79524176, 99405220, 198810440, 397620880]

約数ペア:

[(1, 397620880), (2, 198810440), (4, 99405220), (5, 79524176), (8, 49702610), (10, 39762088), (16, 24851305), (20, 19881044), (31, 12826480), (40, 9940522), (62, 6413240), (67, 5934640), (80, 4970261), (124, 3206620), (134, 2967320), (155, 2565296), (248, 1603310), (268, 1483660), (310, 1282648), (335, 1186928), (496, 801655), (536, 741830), (620, 641324), (670, 593464), (1072, 370915), (1240, 320662), (1340, 296732), (2077, 191440), (2393, 166160), (2480, 160331), (2680, 148366), (4154, 95720), (4786, 83080), (5360, 74183), (8308, 47860), (9572, 41540), (10385, 38288), (11965, 33232), (16616, 23930), (19144, 20770)]