245947880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 572959440

約数和(自身を除く): 327011560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 185, 274, 296, 370, 548, 685, 740, 1096, 1213, 1370, 1480, 2426, 2740, 4852, 5069, 5480, 6065, 9704, 10138, 12130, 20276, 24260, 25345, 40552, 44881, 48520, 50690, 89762, 101380, 166181, 179524, 202760, 224405, 332362, 359048, 448810, 664724, 830905, 897620, 1329448, 1661810, 1795240, 3323620, 6148697, 6647240, 12297394, 24594788, 30743485, 49189576, 61486970, 122973940, 245947880]

約数ペア:

[(1, 245947880), (2, 122973940), (4, 61486970), (5, 49189576), (8, 30743485), (10, 24594788), (20, 12297394), (37, 6647240), (40, 6148697), (74, 3323620), (137, 1795240), (148, 1661810), (185, 1329448), (274, 897620), (296, 830905), (370, 664724), (548, 448810), (685, 359048), (740, 332362), (1096, 224405), (1213, 202760), (1370, 179524), (1480, 166181), (2426, 101380), (2740, 89762), (4852, 50690), (5069, 48520), (5480, 44881), (6065, 40552), (9704, 25345), (10138, 24260), (12130, 20276)]