28070840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3457}}^1$

素因数の和:3504

約数の個数: 64

約数和(自身を含む): 74692800

約数和(自身を除く): 46621960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3457, 4060, 6914, 8120, 13828, 17285, 24199, 27656, 34570, 48398, 69140, 96796, 100253, 120995, 138280, 193592, 200506, 241990, 401012, 483980, 501265, 701771, 802024, 967960, 1002530, 1403542, 2005060, 2807084, 3508855, 4010120, 5614168, 7017710, 14035420, 28070840]

約数ペア:

[(1, 28070840), (2, 14035420), (4, 7017710), (5, 5614168), (7, 4010120), (8, 3508855), (10, 2807084), (14, 2005060), (20, 1403542), (28, 1002530), (29, 967960), (35, 802024), (40, 701771), (56, 501265), (58, 483980), (70, 401012), (116, 241990), (140, 200506), (145, 193592), (203, 138280), (232, 120995), (280, 100253), (290, 96796), (406, 69140), (580, 48398), (812, 34570), (1015, 27656), (1160, 24199), (1624, 17285), (2030, 13828), (3457, 8120), (4060, 6914)]