129916300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 300137040

約数和(自身を除く): 170220740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 190, 202, 380, 404, 475, 505, 677, 950, 1010, 1354, 1900, 1919, 2020, 2525, 2708, 3385, 3838, 5050, 6770, 7676, 9595, 10100, 12863, 13540, 16925, 19190, 25726, 33850, 38380, 47975, 51452, 64315, 67700, 68377, 95950, 128630, 136754, 191900, 257260, 273508, 321575, 341885, 643150, 683770, 1286300, 1299163, 1367540, 1709425, 2598326, 3418850, 5196652, 6495815, 6837700, 12991630, 25983260, 32479075, 64958150, 129916300]

約数ペア:

[(1, 129916300), (2, 64958150), (4, 32479075), (5, 25983260), (10, 12991630), (19, 6837700), (20, 6495815), (25, 5196652), (38, 3418850), (50, 2598326), (76, 1709425), (95, 1367540), (100, 1299163), (101, 1286300), (190, 683770), (202, 643150), (380, 341885), (404, 321575), (475, 273508), (505, 257260), (677, 191900), (950, 136754), (1010, 128630), (1354, 95950), (1900, 68377), (1919, 67700), (2020, 64315), (2525, 51452), (2708, 47975), (3385, 38380), (3838, 33850), (5050, 25726), (6770, 19190), (7676, 16925), (9595, 13540), (10100, 12863)]