419918560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2731}}^1$

素因数の和:2808

約数の個数: 72

約数和(自身を含む): 1025467128

約数和(自身を除く): 605548568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 2731, 3844, 4805, 4960, 5462, 7688, 9610, 10924, 13655, 15376, 19220, 21848, 27310, 30752, 38440, 43696, 54620, 76880, 84661, 87392, 109240, 153760, 169322, 218480, 338644, 423305, 436960, 677288, 846610, 1354576, 1693220, 2624491, 2709152, 3386440, 5248982, 6772880, 10497964, 13122455, 13545760, 20995928, 26244910, 41991856, 52489820, 83983712, 104979640, 209959280, 419918560]

約数ペア:

[(1, 419918560), (2, 209959280), (4, 104979640), (5, 83983712), (8, 52489820), (10, 41991856), (16, 26244910), (20, 20995928), (31, 13545760), (32, 13122455), (40, 10497964), (62, 6772880), (80, 5248982), (124, 3386440), (155, 2709152), (160, 2624491), (248, 1693220), (310, 1354576), (496, 846610), (620, 677288), (961, 436960), (992, 423305), (1240, 338644), (1922, 218480), (2480, 169322), (2731, 153760), (3844, 109240), (4805, 87392), (4960, 84661), (5462, 76880), (7688, 54620), (9610, 43696), (10924, 38440), (13655, 30752), (15376, 27310), (19220, 21848)]