399096670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{547}}^1\times {\mathrm{1489}}^1$

素因数の和:2057

約数の個数: 48

約数和(自身を含む): 837749520

約数和(自身を除く): 438652850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 547, 1094, 1489, 2735, 2978, 3829, 5470, 7445, 7658, 10423, 14890, 19145, 20846, 26803, 38290, 52115, 53606, 72961, 104230, 134015, 145922, 268030, 364805, 729610, 814483, 1628966, 4072415, 5701381, 8144830, 11402762, 28506905, 39909667, 57013810, 79819334, 199548335, 399096670]

約数ペア:

[(1, 399096670), (2, 199548335), (5, 79819334), (7, 57013810), (10, 39909667), (14, 28506905), (35, 11402762), (49, 8144830), (70, 5701381), (98, 4072415), (245, 1628966), (490, 814483), (547, 729610), (1094, 364805), (1489, 268030), (2735, 145922), (2978, 134015), (3829, 104230), (5470, 72961), (7445, 53606), (7658, 52115), (10423, 38290), (14890, 26803), (19145, 20846)]