28712800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 72

約数和(自身を含む): 73823400

約数和(自身を除く): 45110600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1889, 1900, 3040, 3778, 3800, 7556, 7600, 9445, 15112, 15200, 18890, 30224, 35891, 37780, 47225, 60448, 71782, 75560, 94450, 143564, 151120, 179455, 188900, 287128, 302240, 358910, 377800, 574256, 717820, 755600, 897275, 1148512, 1435640, 1511200, 1794550, 2871280, 3589100, 5742560, 7178200, 14356400, 28712800]

約数ペア:

[(1, 28712800), (2, 14356400), (4, 7178200), (5, 5742560), (8, 3589100), (10, 2871280), (16, 1794550), (19, 1511200), (20, 1435640), (25, 1148512), (32, 897275), (38, 755600), (40, 717820), (50, 574256), (76, 377800), (80, 358910), (95, 302240), (100, 287128), (152, 188900), (160, 179455), (190, 151120), (200, 143564), (304, 94450), (380, 75560), (400, 71782), (475, 60448), (608, 47225), (760, 37780), (800, 35891), (950, 30224), (1520, 18890), (1889, 15200), (1900, 15112), (3040, 9445), (3778, 7600), (3800, 7556)]