88997900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 209986560

約数和(自身を除く): 120988660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1511, 1550, 1900, 2356, 2945, 3022, 3100, 5890, 6044, 7555, 11780, 14725, 15110, 28709, 29450, 30220, 37775, 46841, 57418, 58900, 75550, 93682, 114836, 143545, 151100, 187364, 234205, 287090, 468410, 574180, 717725, 889979, 936820, 1171025, 1435450, 1779958, 2342050, 2870900, 3559916, 4449895, 4684100, 8899790, 17799580, 22249475, 44498950, 88997900]

約数ペア:

[(1, 88997900), (2, 44498950), (4, 22249475), (5, 17799580), (10, 8899790), (19, 4684100), (20, 4449895), (25, 3559916), (31, 2870900), (38, 2342050), (50, 1779958), (62, 1435450), (76, 1171025), (95, 936820), (100, 889979), (124, 717725), (155, 574180), (190, 468410), (310, 287090), (380, 234205), (475, 187364), (589, 151100), (620, 143545), (775, 114836), (950, 93682), (1178, 75550), (1511, 58900), (1550, 57418), (1900, 46841), (2356, 37775), (2945, 30220), (3022, 29450), (3100, 28709), (5890, 15110), (6044, 14725), (7555, 11780)]