83685740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 188270208

約数和(自身を除く): 104584468

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 73, 86, 124, 146, 155, 172, 215, 292, 310, 365, 430, 620, 730, 860, 1333, 1460, 1849, 2263, 2666, 3139, 3698, 4526, 5332, 6278, 6665, 7396, 9052, 9245, 11315, 12556, 13330, 15695, 18490, 22630, 26660, 31390, 36980, 45260, 57319, 62780, 97309, 114638, 134977, 194618, 229276, 269954, 286595, 389236, 486545, 539908, 573190, 674885, 973090, 1146380, 1349770, 1946180, 2699540, 4184287, 8368574, 16737148, 20921435, 41842870, 83685740]

約数ペア:

[(1, 83685740), (2, 41842870), (4, 20921435), (5, 16737148), (10, 8368574), (20, 4184287), (31, 2699540), (43, 1946180), (62, 1349770), (73, 1146380), (86, 973090), (124, 674885), (146, 573190), (155, 539908), (172, 486545), (215, 389236), (292, 286595), (310, 269954), (365, 229276), (430, 194618), (620, 134977), (730, 114638), (860, 97309), (1333, 62780), (1460, 57319), (1849, 45260), (2263, 36980), (2666, 31390), (3139, 26660), (3698, 22630), (4526, 18490), (5332, 15695), (6278, 13330), (6665, 12556), (7396, 11315), (9052, 9245)]