205451570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 192679630

約数列:

[1, 2, 5, 10, 31, 47, 59, 62, 94, 118, 155, 235, 239, 295, 310, 470, 478, 590, 1195, 1457, 1829, 2390, 2773, 2914, 3658, 5546, 7285, 7409, 9145, 11233, 13865, 14101, 14570, 14818, 18290, 22466, 27730, 28202, 37045, 56165, 70505, 74090, 85963, 112330, 141010, 171926, 348223, 429815, 437131, 662747, 696446, 859630, 874262, 1325494, 1741115, 2185655, 3313735, 3482230, 4371310, 6627470, 20545157, 41090314, 102725785, 205451570]

約数ペア:

[(1, 205451570), (2, 102725785), (5, 41090314), (10, 20545157), (31, 6627470), (47, 4371310), (59, 3482230), (62, 3313735), (94, 2185655), (118, 1741115), (155, 1325494), (235, 874262), (239, 859630), (295, 696446), (310, 662747), (470, 437131), (478, 429815), (590, 348223), (1195, 171926), (1457, 141010), (1829, 112330), (2390, 85963), (2773, 74090), (2914, 70505), (3658, 56165), (5546, 37045), (7285, 28202), (7409, 27730), (9145, 22466), (11233, 18290), (13865, 14818), (14101, 14570)]