12948100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 31248000

約数和(自身を除く): 18299900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 149, 158, 220, 275, 298, 316, 395, 550, 596, 745, 790, 869, 1100, 1490, 1580, 1639, 1738, 1975, 2980, 3278, 3476, 3725, 3950, 4345, 6556, 7450, 7900, 8195, 8690, 11771, 14900, 16390, 17380, 21725, 23542, 32780, 40975, 43450, 47084, 58855, 81950, 86900, 117710, 129481, 163900, 235420, 258962, 294275, 517924, 588550, 647405, 1177100, 1294810, 2589620, 3237025, 6474050, 12948100]

約数ペア:

[(1, 12948100), (2, 6474050), (4, 3237025), (5, 2589620), (10, 1294810), (11, 1177100), (20, 647405), (22, 588550), (25, 517924), (44, 294275), (50, 258962), (55, 235420), (79, 163900), (100, 129481), (110, 117710), (149, 86900), (158, 81950), (220, 58855), (275, 47084), (298, 43450), (316, 40975), (395, 32780), (550, 23542), (596, 21725), (745, 17380), (790, 16390), (869, 14900), (1100, 11771), (1490, 8690), (1580, 8195), (1639, 7900), (1738, 7450), (1975, 6556), (2980, 4345), (3278, 3950), (3476, 3725)]