81192700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 187349120

約数和(自身を除く): 106156420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 151, 190, 283, 302, 380, 475, 566, 604, 755, 950, 1132, 1415, 1510, 1900, 2830, 2869, 3020, 3775, 5377, 5660, 5738, 7075, 7550, 10754, 11476, 14150, 14345, 15100, 21508, 26885, 28300, 28690, 42733, 53770, 57380, 71725, 85466, 107540, 134425, 143450, 170932, 213665, 268850, 286900, 427330, 537700, 811927, 854660, 1068325, 1623854, 2136650, 3247708, 4059635, 4273300, 8119270, 16238540, 20298175, 40596350, 81192700]

約数ペア:

[(1, 81192700), (2, 40596350), (4, 20298175), (5, 16238540), (10, 8119270), (19, 4273300), (20, 4059635), (25, 3247708), (38, 2136650), (50, 1623854), (76, 1068325), (95, 854660), (100, 811927), (151, 537700), (190, 427330), (283, 286900), (302, 268850), (380, 213665), (475, 170932), (566, 143450), (604, 134425), (755, 107540), (950, 85466), (1132, 71725), (1415, 57380), (1510, 53770), (1900, 42733), (2830, 28690), (2869, 28300), (3020, 26885), (3775, 21508), (5377, 15100), (5660, 14345), (5738, 14150), (7075, 11476), (7550, 10754)]