2157531790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 4254578496

約数和(自身を除く): 2097046706

約数列:

[1, 2, 5, 10, 23, 37, 46, 73, 74, 115, 146, 151, 185, 230, 302, 365, 370, 529, 730, 755, 851, 1058, 1510, 1679, 1702, 2645, 2701, 3358, 3473, 4255, 5290, 5402, 5587, 6946, 8395, 8510, 11023, 11174, 13505, 16790, 17365, 19573, 22046, 27010, 27935, 34730, 38617, 39146, 55115, 55870, 62123, 77234, 79879, 97865, 110230, 124246, 128501, 159758, 193085, 195730, 253529, 257002, 310615, 386170, 399395, 407851, 507058, 621230, 642505, 798790, 815702, 1267645, 1285010, 1428829, 2039255, 2535290, 2857658, 2955523, 4078510, 5831167, 5911046, 7144145, 9380573, 11662334, 14288290, 14777615, 18761146, 29155835, 29555230, 46902865, 58311670, 93805730, 215753179, 431506358, 1078765895, 2157531790]

約数ペア:

[(1, 2157531790), (2, 1078765895), (5, 431506358), (10, 215753179), (23, 93805730), (37, 58311670), (46, 46902865), (73, 29555230), (74, 29155835), (115, 18761146), (146, 14777615), (151, 14288290), (185, 11662334), (230, 9380573), (302, 7144145), (365, 5911046), (370, 5831167), (529, 4078510), (730, 2955523), (755, 2857658), (851, 2535290), (1058, 2039255), (1510, 1428829), (1679, 1285010), (1702, 1267645), (2645, 815702), (2701, 798790), (3358, 642505), (3473, 621230), (4255, 507058), (5290, 407851), (5402, 399395), (5587, 386170), (6946, 310615), (8395, 257002), (8510, 253529), (11023, 195730), (11174, 193085), (13505, 159758), (16790, 128501), (17365, 124246), (19573, 110230), (22046, 97865), (27010, 79879), (27935, 77234), (34730, 62123), (38617, 55870), (39146, 55115)]