203407630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 396430848

約数和(自身を除く): 193023218

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 131, 157, 215, 230, 262, 314, 430, 655, 785, 989, 1310, 1570, 1978, 3013, 3611, 4945, 5633, 6026, 6751, 7222, 9890, 11266, 13502, 15065, 18055, 20567, 28165, 30130, 33755, 36110, 41134, 56330, 67510, 102835, 129559, 155273, 205670, 259118, 310546, 473041, 647795, 776365, 884381, 946082, 1295590, 1552730, 1768762, 2365205, 4421905, 4730410, 8843810, 20340763, 40681526, 101703815, 203407630]

約数ペア:

[(1, 203407630), (2, 101703815), (5, 40681526), (10, 20340763), (23, 8843810), (43, 4730410), (46, 4421905), (86, 2365205), (115, 1768762), (131, 1552730), (157, 1295590), (215, 946082), (230, 884381), (262, 776365), (314, 647795), (430, 473041), (655, 310546), (785, 259118), (989, 205670), (1310, 155273), (1570, 129559), (1978, 102835), (3013, 67510), (3611, 56330), (4945, 41134), (5633, 36110), (6026, 33755), (6751, 30130), (7222, 28165), (9890, 20567), (11266, 18055), (13502, 15065)]