923486980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{21017}}^1$

素因数の和:21065

約数の個数: 48

約数和(自身を含む): 2100959280

約数和(自身を除く): 1177472300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 21017, 21970, 42034, 43940, 84068, 105085, 210170, 273221, 420340, 546442, 1092884, 1366105, 2732210, 3551873, 5464420, 7103746, 14207492, 17759365, 35518730, 46174349, 71037460, 92348698, 184697396, 230871745, 461743490, 923486980]

約数ペア:

[(1, 923486980), (2, 461743490), (4, 230871745), (5, 184697396), (10, 92348698), (13, 71037460), (20, 46174349), (26, 35518730), (52, 17759365), (65, 14207492), (130, 7103746), (169, 5464420), (260, 3551873), (338, 2732210), (676, 1366105), (845, 1092884), (1690, 546442), (2197, 420340), (3380, 273221), (4394, 210170), (8788, 105085), (10985, 84068), (21017, 43940), (21970, 42034)]