202017740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{683}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 444019968

約数和(自身を除く): 242002228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 643, 683, 1286, 1366, 2572, 2732, 3215, 3415, 6430, 6830, 12860, 13660, 14789, 15709, 29578, 31418, 59156, 62836, 73945, 78545, 147890, 157090, 295780, 314180, 439169, 878338, 1756676, 2195845, 4391690, 8783380, 10100887, 20201774, 40403548, 50504435, 101008870, 202017740]

約数ペア:

[(1, 202017740), (2, 101008870), (4, 50504435), (5, 40403548), (10, 20201774), (20, 10100887), (23, 8783380), (46, 4391690), (92, 2195845), (115, 1756676), (230, 878338), (460, 439169), (643, 314180), (683, 295780), (1286, 157090), (1366, 147890), (2572, 78545), (2732, 73945), (3215, 62836), (3415, 59156), (6430, 31418), (6830, 29578), (12860, 15709), (13660, 14789)]