647164070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{887}}^1\times {\mathrm{1489}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 1357521120

約数和(自身を除く): 710357050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 887, 1489, 1774, 2978, 4435, 6209, 7445, 8870, 10423, 12418, 14890, 20846, 31045, 43463, 52115, 62090, 72961, 86926, 104230, 145922, 217315, 364805, 434630, 729610, 1320743, 2641486, 6603715, 9245201, 13207430, 18490402, 46226005, 64716407, 92452010, 129432814, 323582035, 647164070]

約数ペア:

[(1, 647164070), (2, 323582035), (5, 129432814), (7, 92452010), (10, 64716407), (14, 46226005), (35, 18490402), (49, 13207430), (70, 9245201), (98, 6603715), (245, 2641486), (490, 1320743), (887, 729610), (1489, 434630), (1774, 364805), (2978, 217315), (4435, 145922), (6209, 104230), (7445, 86926), (8870, 72961), (10423, 62090), (12418, 52115), (14890, 43463), (20846, 31045)]