18301100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 42393120

約数和(自身を除く): 24092020

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 73, 92, 100, 109, 115, 146, 218, 230, 292, 365, 436, 460, 545, 575, 730, 1090, 1150, 1460, 1679, 1825, 2180, 2300, 2507, 2725, 3358, 3650, 5014, 5450, 6716, 7300, 7957, 8395, 10028, 10900, 12535, 15914, 16790, 25070, 31828, 33580, 39785, 41975, 50140, 62675, 79570, 83950, 125350, 159140, 167900, 183011, 198925, 250700, 366022, 397850, 732044, 795700, 915055, 1830110, 3660220, 4575275, 9150550, 18301100]

約数ペア:

[(1, 18301100), (2, 9150550), (4, 4575275), (5, 3660220), (10, 1830110), (20, 915055), (23, 795700), (25, 732044), (46, 397850), (50, 366022), (73, 250700), (92, 198925), (100, 183011), (109, 167900), (115, 159140), (146, 125350), (218, 83950), (230, 79570), (292, 62675), (365, 50140), (436, 41975), (460, 39785), (545, 33580), (575, 31828), (730, 25070), (1090, 16790), (1150, 15914), (1460, 12535), (1679, 10900), (1825, 10028), (2180, 8395), (2300, 7957), (2507, 7300), (2725, 6716), (3358, 5450), (3650, 5014)]