720866470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^2\times {\mathrm{191}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 1390411008

約数和(自身を除く): 669544538

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 191, 298, 382, 745, 955, 1490, 1910, 2533, 3247, 5066, 6494, 12665, 16235, 22201, 25330, 28459, 32470, 44402, 56918, 111005, 142295, 222010, 284590, 377417, 483803, 754834, 967606, 1887085, 2419015, 3774170, 4240391, 4838030, 8480782, 21201955, 42403910, 72086647, 144173294, 360433235, 720866470]

約数ペア:

[(1, 720866470), (2, 360433235), (5, 144173294), (10, 72086647), (17, 42403910), (34, 21201955), (85, 8480782), (149, 4838030), (170, 4240391), (191, 3774170), (298, 2419015), (382, 1887085), (745, 967606), (955, 754834), (1490, 483803), (1910, 377417), (2533, 284590), (3247, 222010), (5066, 142295), (6494, 111005), (12665, 56918), (16235, 44402), (22201, 32470), (25330, 28459)]