100412720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2194

約数の個数: 80

約数和(自身を含む): 253793280

約数和(自身を除く): 153380560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2131, 2356, 2480, 2945, 4262, 4712, 5890, 8524, 9424, 10655, 11780, 17048, 21310, 23560, 34096, 40489, 42620, 47120, 66061, 80978, 85240, 132122, 161956, 170480, 202445, 264244, 323912, 330305, 404890, 528488, 647824, 660610, 809780, 1056976, 1255159, 1321220, 1619560, 2510318, 2642440, 3239120, 5020636, 5284880, 6275795, 10041272, 12551590, 20082544, 25103180, 50206360, 100412720]

約数ペア:

[(1, 100412720), (2, 50206360), (4, 25103180), (5, 20082544), (8, 12551590), (10, 10041272), (16, 6275795), (19, 5284880), (20, 5020636), (31, 3239120), (38, 2642440), (40, 2510318), (62, 1619560), (76, 1321220), (80, 1255159), (95, 1056976), (124, 809780), (152, 660610), (155, 647824), (190, 528488), (248, 404890), (304, 330305), (310, 323912), (380, 264244), (496, 202445), (589, 170480), (620, 161956), (760, 132122), (1178, 85240), (1240, 80978), (1520, 66061), (2131, 47120), (2356, 42620), (2480, 40489), (2945, 34096), (4262, 23560), (4712, 21310), (5890, 17048), (8524, 11780), (9424, 10655)]