200904998980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29286443}}^1$

素因数の和:29286473

約数の個数: 48

約数和(自身を含む): 492012259200

約数和(自身を除く): 291107260220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29286443, 58572886, 117145772, 146432215, 205005101, 292864430, 410010202, 585728860, 820020404, 1025025505, 1435035707, 2050051010, 2870071414, 4100102020, 5740142828, 7175178535, 10045249949, 14350357070, 20090499898, 28700714140, 40180999796, 50226249745, 100452499490, 200904998980]

約数ペア:

[(1, 200904998980), (2, 100452499490), (4, 50226249745), (5, 40180999796), (7, 28700714140), (10, 20090499898), (14, 14350357070), (20, 10045249949), (28, 7175178535), (35, 5740142828), (49, 4100102020), (70, 2870071414), (98, 2050051010), (140, 1435035707), (196, 1025025505), (245, 820020404), (343, 585728860), (490, 410010202), (686, 292864430), (980, 205005101), (1372, 146432215), (1715, 117145772), (3430, 58572886), (6860, 29286443)]