28698900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 83577984

約数和(自身を除く): 54879084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 271, 300, 353, 542, 706, 813, 1059, 1084, 1355, 1412, 1626, 1765, 2118, 2710, 3252, 3530, 4065, 4236, 5295, 5420, 6775, 7060, 8130, 8825, 10590, 13550, 16260, 17650, 20325, 21180, 26475, 27100, 35300, 40650, 52950, 81300, 95663, 105900, 191326, 286989, 382652, 478315, 573978, 956630, 1147956, 1434945, 1913260, 2391575, 2869890, 4783150, 5739780, 7174725, 9566300, 14349450, 28698900]

約数ペア:

[(1, 28698900), (2, 14349450), (3, 9566300), (4, 7174725), (5, 5739780), (6, 4783150), (10, 2869890), (12, 2391575), (15, 1913260), (20, 1434945), (25, 1147956), (30, 956630), (50, 573978), (60, 478315), (75, 382652), (100, 286989), (150, 191326), (271, 105900), (300, 95663), (353, 81300), (542, 52950), (706, 40650), (813, 35300), (1059, 27100), (1084, 26475), (1355, 21180), (1412, 20325), (1626, 17650), (1765, 16260), (2118, 13550), (2710, 10590), (3252, 8825), (3530, 8130), (4065, 7060), (4236, 6775), (5295, 5420)]