251017360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15013}}^1$

素因数の和:15056

約数の個数: 80

約数和(自身を含む): 670224960

約数和(自身を除く): 419207600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 15013, 16720, 30026, 60052, 75065, 120104, 150130, 165143, 240208, 285247, 300260, 330286, 570494, 600520, 660572, 825715, 1140988, 1201040, 1321144, 1426235, 1651430, 2281976, 2642288, 2852470, 3137717, 3302860, 4563952, 5704940, 6275434, 6605720, 11409880, 12550868, 13211440, 15688585, 22819760, 25101736, 31377170, 50203472, 62754340, 125508680, 251017360]

約数ペア:

[(1, 251017360), (2, 125508680), (4, 62754340), (5, 50203472), (8, 31377170), (10, 25101736), (11, 22819760), (16, 15688585), (19, 13211440), (20, 12550868), (22, 11409880), (38, 6605720), (40, 6275434), (44, 5704940), (55, 4563952), (76, 3302860), (80, 3137717), (88, 2852470), (95, 2642288), (110, 2281976), (152, 1651430), (176, 1426235), (190, 1321144), (209, 1201040), (220, 1140988), (304, 825715), (380, 660572), (418, 600520), (440, 570494), (760, 330286), (836, 300260), (880, 285247), (1045, 240208), (1520, 165143), (1672, 150130), (2090, 120104), (3344, 75065), (4180, 60052), (8360, 30026), (15013, 16720)]