202025140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{653}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 439488000

約数和(自身を除く): 237462860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 499, 620, 653, 998, 1306, 1996, 2495, 2612, 3265, 4990, 6530, 9980, 13060, 15469, 20243, 30938, 40486, 61876, 77345, 80972, 101215, 154690, 202430, 309380, 325847, 404860, 651694, 1303388, 1629235, 3258470, 6516940, 10101257, 20202514, 40405028, 50506285, 101012570, 202025140]

約数ペア:

[(1, 202025140), (2, 101012570), (4, 50506285), (5, 40405028), (10, 20202514), (20, 10101257), (31, 6516940), (62, 3258470), (124, 1629235), (155, 1303388), (310, 651694), (499, 404860), (620, 325847), (653, 309380), (998, 202430), (1306, 154690), (1996, 101215), (2495, 80972), (2612, 77345), (3265, 61876), (4990, 40486), (6530, 30938), (9980, 20243), (13060, 15469)]