729820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 1891008

約数和(自身を除く): 1161188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 401, 455, 802, 910, 1604, 1820, 2005, 2807, 4010, 5213, 5614, 8020, 10426, 11228, 14035, 20852, 26065, 28070, 36491, 52130, 56140, 72982, 104260, 145964, 182455, 364910, 729820]

約数ペア:

[(1, 729820), (2, 364910), (4, 182455), (5, 145964), (7, 104260), (10, 72982), (13, 56140), (14, 52130), (20, 36491), (26, 28070), (28, 26065), (35, 20852), (52, 14035), (65, 11228), (70, 10426), (91, 8020), (130, 5614), (140, 5213), (182, 4010), (260, 2807), (364, 2005), (401, 1820), (455, 1604), (802, 910)]