1245838075

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 1734043776

約数和(自身を除く): 488205701

約数列:

[1, 5, 19, 25, 31, 61, 73, 95, 155, 305, 361, 365, 475, 589, 775, 1159, 1387, 1525, 1805, 1825, 1891, 2263, 2945, 4453, 5795, 6935, 9025, 9455, 11191, 11315, 14725, 22021, 22265, 26353, 28975, 34675, 35929, 42997, 47275, 55955, 56575, 84607, 110105, 111325, 131765, 138043, 179645, 214985, 279775, 423035, 550525, 658825, 682651, 690215, 816943, 898225, 1074925, 1607533, 2115175, 2622817, 3413255, 3451075, 4084715, 8037665, 13114085, 17066275, 20423575, 40188325, 49833523, 65570425, 249167615, 1245838075]

約数ペア:

[(1, 1245838075), (5, 249167615), (19, 65570425), (25, 49833523), (31, 40188325), (61, 20423575), (73, 17066275), (95, 13114085), (155, 8037665), (305, 4084715), (361, 3451075), (365, 3413255), (475, 2622817), (589, 2115175), (775, 1607533), (1159, 1074925), (1387, 898225), (1525, 816943), (1805, 690215), (1825, 682651), (1891, 658825), (2263, 550525), (2945, 423035), (4453, 279775), (5795, 214985), (6935, 179645), (9025, 138043), (9455, 131765), (11191, 111325), (11315, 110105), (14725, 84607), (22021, 56575), (22265, 55955), (26353, 47275), (28975, 42997), (34675, 35929)]