291207210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19531}}^1$

素因数の和:19619

約数の個数: 64

約数和(自身を含む): 810031104

約数和(自身を除く): 518823894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 14910, 19531, 39062, 58593, 97655, 117186, 136717, 195310, 273434, 292965, 410151, 585930, 683585, 820302, 1367170, 1386701, 2050755, 2773402, 4101510, 4160103, 6933505, 8320206, 9706907, 13867010, 19413814, 20800515, 29120721, 41601030, 48534535, 58241442, 97069070, 145603605, 291207210]

約数ペア:

[(1, 291207210), (2, 145603605), (3, 97069070), (5, 58241442), (6, 48534535), (7, 41601030), (10, 29120721), (14, 20800515), (15, 19413814), (21, 13867010), (30, 9706907), (35, 8320206), (42, 6933505), (70, 4160103), (71, 4101510), (105, 2773402), (142, 2050755), (210, 1386701), (213, 1367170), (355, 820302), (426, 683585), (497, 585930), (710, 410151), (994, 292965), (1065, 273434), (1491, 195310), (2130, 136717), (2485, 117186), (2982, 97655), (4970, 58593), (7455, 39062), (14910, 19531)]