408076840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1367}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 975110400

約数和(自身を除く): 567033560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 439, 680, 878, 1367, 1756, 2195, 2734, 3512, 4390, 5468, 6835, 7463, 8780, 10936, 13670, 14926, 17560, 23239, 27340, 29852, 37315, 46478, 54680, 59704, 74630, 92956, 116195, 149260, 185912, 232390, 298520, 464780, 600113, 929560, 1200226, 2400452, 3000565, 4800904, 6001130, 10201921, 12002260, 20403842, 24004520, 40807684, 51009605, 81615368, 102019210, 204038420, 408076840]

約数ペア:

[(1, 408076840), (2, 204038420), (4, 102019210), (5, 81615368), (8, 51009605), (10, 40807684), (17, 24004520), (20, 20403842), (34, 12002260), (40, 10201921), (68, 6001130), (85, 4800904), (136, 3000565), (170, 2400452), (340, 1200226), (439, 929560), (680, 600113), (878, 464780), (1367, 298520), (1756, 232390), (2195, 185912), (2734, 149260), (3512, 116195), (4390, 92956), (5468, 74630), (6835, 59704), (7463, 54680), (8780, 46478), (10936, 37315), (13670, 29852), (14926, 27340), (17560, 23239)]