131638220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 326809728

約数和(自身を除く): 195171508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 113, 140, 157, 212, 226, 265, 314, 371, 452, 530, 565, 628, 742, 785, 791, 1060, 1099, 1130, 1484, 1570, 1582, 1855, 2198, 2260, 3140, 3164, 3710, 3955, 4396, 5495, 5989, 7420, 7910, 8321, 10990, 11978, 15820, 16642, 17741, 21980, 23956, 29945, 33284, 35482, 41605, 41923, 58247, 59890, 70964, 83210, 83846, 88705, 116494, 119780, 124187, 166420, 167692, 177410, 209615, 232988, 248374, 291235, 354820, 419230, 496748, 582470, 620935, 838460, 940273, 1164940, 1241870, 1880546, 2483740, 3761092, 4701365, 6581911, 9402730, 13163822, 18805460, 26327644, 32909555, 65819110, 131638220]

約数ペア:

[(1, 131638220), (2, 65819110), (4, 32909555), (5, 26327644), (7, 18805460), (10, 13163822), (14, 9402730), (20, 6581911), (28, 4701365), (35, 3761092), (53, 2483740), (70, 1880546), (106, 1241870), (113, 1164940), (140, 940273), (157, 838460), (212, 620935), (226, 582470), (265, 496748), (314, 419230), (371, 354820), (452, 291235), (530, 248374), (565, 232988), (628, 209615), (742, 177410), (785, 167692), (791, 166420), (1060, 124187), (1099, 119780), (1130, 116494), (1484, 88705), (1570, 83846), (1582, 83210), (1855, 70964), (2198, 59890), (2260, 58247), (3140, 41923), (3164, 41605), (3710, 35482), (3955, 33284), (4396, 29945), (5495, 23956), (5989, 21980), (7420, 17741), (7910, 16642), (8321, 15820), (10990, 11978)]