149417440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11821}}^1$

素因数の和:11915

約数の個数: 48

約数和(自身を含む): 357497280

約数和(自身を除く): 208079840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 11821, 12640, 23642, 47284, 59105, 94568, 118210, 189136, 236420, 378272, 472840, 933859, 945680, 1867718, 1891360, 3735436, 4669295, 7470872, 9338590, 14941744, 18677180, 29883488, 37354360, 74708720, 149417440]

約数ペア:

[(1, 149417440), (2, 74708720), (4, 37354360), (5, 29883488), (8, 18677180), (10, 14941744), (16, 9338590), (20, 7470872), (32, 4669295), (40, 3735436), (79, 1891360), (80, 1867718), (158, 945680), (160, 933859), (316, 472840), (395, 378272), (632, 236420), (790, 189136), (1264, 118210), (1580, 94568), (2528, 59105), (3160, 47284), (6320, 23642), (11821, 12640)]