2163590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 4898880

約数和(自身を除く): 2735290

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 89, 110, 130, 143, 170, 178, 187, 221, 286, 374, 442, 445, 715, 890, 935, 979, 1105, 1157, 1430, 1513, 1870, 1958, 2210, 2314, 2431, 3026, 4862, 4895, 5785, 7565, 9790, 11570, 12155, 12727, 15130, 16643, 19669, 24310, 25454, 33286, 39338, 63635, 83215, 98345, 127270, 166430, 196690, 216359, 432718, 1081795, 2163590]

約数ペア:

[(1, 2163590), (2, 1081795), (5, 432718), (10, 216359), (11, 196690), (13, 166430), (17, 127270), (22, 98345), (26, 83215), (34, 63635), (55, 39338), (65, 33286), (85, 25454), (89, 24310), (110, 19669), (130, 16643), (143, 15130), (170, 12727), (178, 12155), (187, 11570), (221, 9790), (286, 7565), (374, 5785), (442, 4895), (445, 4862), (715, 3026), (890, 2431), (935, 2314), (979, 2210), (1105, 1958), (1157, 1870), (1430, 1513)]