1295800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 3571200

約数和(自身を除く): 2275400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 31, 38, 40, 44, 50, 55, 62, 76, 88, 95, 100, 110, 124, 152, 155, 190, 200, 209, 220, 248, 275, 310, 341, 380, 418, 440, 475, 550, 589, 620, 682, 760, 775, 836, 950, 1045, 1100, 1178, 1240, 1364, 1550, 1672, 1705, 1900, 2090, 2200, 2356, 2728, 2945, 3100, 3410, 3800, 4180, 4712, 5225, 5890, 6200, 6479, 6820, 8360, 8525, 10450, 11780, 12958, 13640, 14725, 17050, 20900, 23560, 25916, 29450, 32395, 34100, 41800, 51832, 58900, 64790, 68200, 117800, 129580, 161975, 259160, 323950, 647900, 1295800]

約数ペア:

[(1, 1295800), (2, 647900), (4, 323950), (5, 259160), (8, 161975), (10, 129580), (11, 117800), (19, 68200), (20, 64790), (22, 58900), (25, 51832), (31, 41800), (38, 34100), (40, 32395), (44, 29450), (50, 25916), (55, 23560), (62, 20900), (76, 17050), (88, 14725), (95, 13640), (100, 12958), (110, 11780), (124, 10450), (152, 8525), (155, 8360), (190, 6820), (200, 6479), (209, 6200), (220, 5890), (248, 5225), (275, 4712), (310, 4180), (341, 3800), (380, 3410), (418, 3100), (440, 2945), (475, 2728), (550, 2356), (589, 2200), (620, 2090), (682, 1900), (760, 1705), (775, 1672), (836, 1550), (950, 1364), (1045, 1240), (1100, 1178)]