671445860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 1470542976

約数和(自身を除く): 799097116

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 271, 335, 430, 542, 670, 860, 1084, 1340, 1355, 1849, 2710, 2881, 3698, 5420, 5762, 7396, 9245, 11524, 11653, 14405, 18157, 18490, 23306, 28810, 36314, 36980, 46612, 57620, 58265, 72628, 90785, 116530, 123883, 181570, 233060, 247766, 363140, 495532, 501079, 619415, 780751, 1002158, 1238830, 1561502, 2004316, 2477660, 2505395, 3123004, 3903755, 5010790, 7807510, 10021580, 15615020, 33572293, 67144586, 134289172, 167861465, 335722930, 671445860]

約数ペア:

[(1, 671445860), (2, 335722930), (4, 167861465), (5, 134289172), (10, 67144586), (20, 33572293), (43, 15615020), (67, 10021580), (86, 7807510), (134, 5010790), (172, 3903755), (215, 3123004), (268, 2505395), (271, 2477660), (335, 2004316), (430, 1561502), (542, 1238830), (670, 1002158), (860, 780751), (1084, 619415), (1340, 501079), (1355, 495532), (1849, 363140), (2710, 247766), (2881, 233060), (3698, 181570), (5420, 123883), (5762, 116530), (7396, 90785), (9245, 72628), (11524, 58265), (11653, 57620), (14405, 46612), (18157, 36980), (18490, 36314), (23306, 28810)]