28754830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 30757490

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 59, 65, 115, 118, 130, 163, 230, 295, 299, 326, 590, 598, 767, 815, 1357, 1495, 1534, 1630, 2119, 2714, 2990, 3749, 3835, 4238, 6785, 7498, 7670, 9617, 10595, 13570, 17641, 18745, 19234, 21190, 35282, 37490, 48085, 48737, 88205, 96170, 97474, 125021, 176410, 221191, 243685, 250042, 442382, 487370, 625105, 1105955, 1250210, 2211910, 2875483, 5750966, 14377415, 28754830]

約数ペア:

[(1, 28754830), (2, 14377415), (5, 5750966), (10, 2875483), (13, 2211910), (23, 1250210), (26, 1105955), (46, 625105), (59, 487370), (65, 442382), (115, 250042), (118, 243685), (130, 221191), (163, 176410), (230, 125021), (295, 97474), (299, 96170), (326, 88205), (590, 48737), (598, 48085), (767, 37490), (815, 35282), (1357, 21190), (1495, 19234), (1534, 18745), (1630, 17641), (2119, 13570), (2714, 10595), (2990, 9617), (3749, 7670), (3835, 7498), (4238, 6785)]