202904390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 416102400

約数和(自身を除く): 213198010

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 79, 115, 130, 158, 230, 299, 395, 598, 790, 859, 1027, 1495, 1718, 1817, 2054, 2990, 3634, 4295, 5135, 8590, 9085, 10270, 11167, 18170, 19757, 22334, 23621, 39514, 47242, 55835, 67861, 98785, 111670, 118105, 135722, 197570, 236210, 256841, 339305, 513682, 678610, 882193, 1284205, 1560803, 1764386, 2568410, 3121606, 4410965, 7804015, 8821930, 15608030, 20290439, 40580878, 101452195, 202904390]

約数ペア:

[(1, 202904390), (2, 101452195), (5, 40580878), (10, 20290439), (13, 15608030), (23, 8821930), (26, 7804015), (46, 4410965), (65, 3121606), (79, 2568410), (115, 1764386), (130, 1560803), (158, 1284205), (230, 882193), (299, 678610), (395, 513682), (598, 339305), (790, 256841), (859, 236210), (1027, 197570), (1495, 135722), (1718, 118105), (1817, 111670), (2054, 98785), (2990, 67861), (3634, 55835), (4295, 47242), (5135, 39514), (8590, 23621), (9085, 22334), (10270, 19757), (11167, 18170)]