77041820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 167962368

約数和(自身を除く): 90920548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 397, 620, 626, 794, 1252, 1565, 1588, 1985, 3130, 3970, 6260, 7940, 9703, 12307, 19406, 24614, 38812, 48515, 49228, 61535, 97030, 123070, 124261, 194060, 246140, 248522, 497044, 621305, 1242610, 2485220, 3852091, 7704182, 15408364, 19260455, 38520910, 77041820]

約数ペア:

[(1, 77041820), (2, 38520910), (4, 19260455), (5, 15408364), (10, 7704182), (20, 3852091), (31, 2485220), (62, 1242610), (124, 621305), (155, 497044), (310, 248522), (313, 246140), (397, 194060), (620, 124261), (626, 123070), (794, 97030), (1252, 61535), (1565, 49228), (1588, 48515), (1985, 38812), (3130, 24614), (3970, 19406), (6260, 12307), (7940, 9703)]