1656291218420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1\times {\mathrm{559781}}^1$

素因数の和:560648

約数の個数: 48

約数和(自身を含む): 3498413587200

約数和(自身を除く): 1842122368780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 619, 956, 1195, 1238, 2390, 2476, 3095, 4780, 6190, 12380, 147941, 295882, 559781, 591764, 739705, 1119562, 1479410, 2239124, 2798905, 2958820, 5597810, 11195620, 133787659, 267575318, 346504439, 535150636, 668938295, 693008878, 1337876590, 1386017756, 1732522195, 2675753180, 3465044390, 6930088780, 82814560921, 165629121842, 331258243684, 414072804605, 828145609210, 1656291218420]

約数ペア:

[(1, 1656291218420), (2, 828145609210), (4, 414072804605), (5, 331258243684), (10, 165629121842), (20, 82814560921), (239, 6930088780), (478, 3465044390), (619, 2675753180), (956, 1732522195), (1195, 1386017756), (1238, 1337876590), (2390, 693008878), (2476, 668938295), (3095, 535150636), (4780, 346504439), (6190, 267575318), (12380, 133787659), (147941, 11195620), (295882, 5597810), (559781, 2958820), (591764, 2798905), (739705, 2239124), (1119562, 1479410)]