207944620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19507}}^1$

素因数の和:19570

約数の個数: 48

約数和(自身を含む): 481769568

約数和(自身を除く): 273824948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 19507, 39014, 78028, 97535, 195070, 253591, 390140, 507182, 799787, 1014364, 1267955, 1599574, 2535910, 3199148, 3998935, 5071820, 7997870, 10397231, 15995740, 20794462, 41588924, 51986155, 103972310, 207944620]

約数ペア:

[(1, 207944620), (2, 103972310), (4, 51986155), (5, 41588924), (10, 20794462), (13, 15995740), (20, 10397231), (26, 7997870), (41, 5071820), (52, 3998935), (65, 3199148), (82, 2535910), (130, 1599574), (164, 1267955), (205, 1014364), (260, 799787), (410, 507182), (533, 390140), (820, 253591), (1066, 195070), (2132, 97535), (2665, 78028), (5330, 39014), (10660, 19507)]