204526840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23563}}^1$

素因数の和:23612

約数の個数: 64

約数和(自身を含む): 542914560

約数和(自身を除く): 338387720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 23563, 47126, 94252, 117815, 164941, 188504, 235630, 329882, 471260, 659764, 730453, 824705, 942520, 1319528, 1460906, 1649410, 2921812, 3298820, 3652265, 5113171, 5843624, 6597640, 7304530, 10226342, 14609060, 20452684, 25565855, 29218120, 40905368, 51131710, 102263420, 204526840]

約数ペア:

[(1, 204526840), (2, 102263420), (4, 51131710), (5, 40905368), (7, 29218120), (8, 25565855), (10, 20452684), (14, 14609060), (20, 10226342), (28, 7304530), (31, 6597640), (35, 5843624), (40, 5113171), (56, 3652265), (62, 3298820), (70, 2921812), (124, 1649410), (140, 1460906), (155, 1319528), (217, 942520), (248, 824705), (280, 730453), (310, 659764), (434, 471260), (620, 329882), (868, 235630), (1085, 188504), (1240, 164941), (1736, 117815), (2170, 94252), (4340, 47126), (8680, 23563)]