1781250250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3943}}^1$

素因数の和:4112

約数の個数: 64

約数和(自身を含む): 3617752320

約数和(自身を除く): 1836502070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 139, 250, 278, 325, 650, 695, 1390, 1625, 1807, 3250, 3475, 3614, 3943, 6950, 7886, 9035, 17375, 18070, 19715, 34750, 39430, 45175, 51259, 90350, 98575, 102518, 197150, 225875, 256295, 451750, 492875, 512590, 548077, 985750, 1096154, 1281475, 2562950, 2740385, 5480770, 6407375, 7125001, 12814750, 13701925, 14250002, 27403850, 35625005, 68509625, 71250010, 137019250, 178125025, 356250050, 890625125, 1781250250]

約数ペア:

[(1, 1781250250), (2, 890625125), (5, 356250050), (10, 178125025), (13, 137019250), (25, 71250010), (26, 68509625), (50, 35625005), (65, 27403850), (125, 14250002), (130, 13701925), (139, 12814750), (250, 7125001), (278, 6407375), (325, 5480770), (650, 2740385), (695, 2562950), (1390, 1281475), (1625, 1096154), (1807, 985750), (3250, 548077), (3475, 512590), (3614, 492875), (3943, 451750), (6950, 256295), (7886, 225875), (9035, 197150), (17375, 102518), (18070, 98575), (19715, 90350), (34750, 51259), (39430, 45175)]