2155510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 4653936

約数和(自身を除く): 2498426

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 83, 98, 106, 166, 245, 265, 371, 415, 490, 530, 581, 742, 830, 1162, 1855, 2597, 2905, 3710, 4067, 4399, 5194, 5810, 8134, 8798, 12985, 20335, 21995, 25970, 30793, 40670, 43990, 61586, 153965, 215551, 307930, 431102, 1077755, 2155510]

約数ペア:

[(1, 2155510), (2, 1077755), (5, 431102), (7, 307930), (10, 215551), (14, 153965), (35, 61586), (49, 43990), (53, 40670), (70, 30793), (83, 25970), (98, 21995), (106, 20335), (166, 12985), (245, 8798), (265, 8134), (371, 5810), (415, 5194), (490, 4399), (530, 4067), (581, 3710), (742, 2905), (830, 2597), (1162, 1855)]