31278470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 61007040

約数和(自身を除く): 29728570

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 137, 158, 170, 274, 289, 395, 578, 685, 790, 1343, 1370, 1445, 2329, 2686, 2890, 4658, 6715, 10823, 11645, 13430, 21646, 22831, 23290, 39593, 45662, 54115, 79186, 108230, 114155, 183991, 197965, 228310, 367982, 395930, 919955, 1839910, 3127847, 6255694, 15639235, 31278470]

約数ペア:

[(1, 31278470), (2, 15639235), (5, 6255694), (10, 3127847), (17, 1839910), (34, 919955), (79, 395930), (85, 367982), (137, 228310), (158, 197965), (170, 183991), (274, 114155), (289, 108230), (395, 79186), (578, 54115), (685, 45662), (790, 39593), (1343, 23290), (1370, 22831), (1445, 21646), (2329, 13430), (2686, 11645), (2890, 10823), (4658, 6715)]