20171939750

素因数分解:

$2^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{383}}^1\times {\mathrm{1103}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 38093193216

約数和(自身を除く): 17921253466

約数列:

[1, 2, 5, 10, 25, 50, 125, 191, 250, 382, 383, 766, 955, 1103, 1910, 1915, 2206, 3830, 4775, 5515, 9550, 9575, 11030, 19150, 23875, 27575, 47750, 47875, 55150, 73153, 95750, 137875, 146306, 210673, 275750, 365765, 421346, 422449, 731530, 844898, 1053365, 1828825, 2106730, 2112245, 3657650, 4224490, 5266825, 9144125, 10533650, 10561225, 18288250, 21122450, 26334125, 52668250, 52806125, 80687759, 105612250, 161375518, 403438795, 806877590, 2017193975, 4034387950, 10085969875, 20171939750]

約数ペア:

[(1, 20171939750), (2, 10085969875), (5, 4034387950), (10, 2017193975), (25, 806877590), (50, 403438795), (125, 161375518), (191, 105612250), (250, 80687759), (382, 52806125), (383, 52668250), (766, 26334125), (955, 21122450), (1103, 18288250), (1910, 10561225), (1915, 10533650), (2206, 9144125), (3830, 5266825), (4775, 4224490), (5515, 3657650), (9550, 2112245), (9575, 2106730), (11030, 1828825), (19150, 1053365), (23875, 844898), (27575, 731530), (47750, 422449), (47875, 421346), (55150, 365765), (73153, 275750), (95750, 210673), (137875, 146306)]