269437100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 621574800

約数和(自身を除く): 352137700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1301, 1900, 2071, 2180, 2602, 2725, 4142, 5204, 5450, 6505, 8284, 10355, 10900, 13010, 20710, 24719, 26020, 32525, 41420, 49438, 51775, 65050, 98876, 103550, 123595, 130100, 141809, 207100, 247190, 283618, 494380, 567236, 617975, 709045, 1235950, 1418090, 2471900, 2694371, 2836180, 3545225, 5388742, 7090450, 10777484, 13471855, 14180900, 26943710, 53887420, 67359275, 134718550, 269437100]

約数ペア:

[(1, 269437100), (2, 134718550), (4, 67359275), (5, 53887420), (10, 26943710), (19, 14180900), (20, 13471855), (25, 10777484), (38, 7090450), (50, 5388742), (76, 3545225), (95, 2836180), (100, 2694371), (109, 2471900), (190, 1418090), (218, 1235950), (380, 709045), (436, 617975), (475, 567236), (545, 494380), (950, 283618), (1090, 247190), (1301, 207100), (1900, 141809), (2071, 130100), (2180, 123595), (2602, 103550), (2725, 98876), (4142, 65050), (5204, 51775), (5450, 49438), (6505, 41420), (8284, 32525), (10355, 26020), (10900, 24719), (13010, 20710)]