391889680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53831}}^1$

素因数の和:53864

約数の個数: 80

約数和(自身を含む): 1121428224

約数和(自身を除く): 729538544

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 53831, 107662, 215324, 269155, 376817, 430648, 538310, 699803, 753634, 861296, 1076620, 1399606, 1507268, 1884085, 2153240, 2799212, 3014536, 3499015, 3768170, 4306480, 4898621, 5598424, 6029072, 6998030, 7536340, 9797242, 11196848, 13996060, 15072680, 19594484, 24493105, 27992120, 30145360, 39188968, 48986210, 55984240, 78377936, 97972420, 195944840, 391889680]

約数ペア:

[(1, 391889680), (2, 195944840), (4, 97972420), (5, 78377936), (7, 55984240), (8, 48986210), (10, 39188968), (13, 30145360), (14, 27992120), (16, 24493105), (20, 19594484), (26, 15072680), (28, 13996060), (35, 11196848), (40, 9797242), (52, 7536340), (56, 6998030), (65, 6029072), (70, 5598424), (80, 4898621), (91, 4306480), (104, 3768170), (112, 3499015), (130, 3014536), (140, 2799212), (182, 2153240), (208, 1884085), (260, 1507268), (280, 1399606), (364, 1076620), (455, 861296), (520, 753634), (560, 699803), (728, 538310), (910, 430648), (1040, 376817), (1456, 269155), (1820, 215324), (3640, 107662), (7280, 53831)]