19412200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 47097990

約数和(自身を除く): 27685790

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 101, 124, 155, 200, 202, 248, 310, 404, 505, 620, 775, 808, 961, 1010, 1240, 1550, 1922, 2020, 2525, 3100, 3131, 3844, 4040, 4805, 5050, 6200, 6262, 7688, 9610, 10100, 12524, 15655, 19220, 20200, 24025, 25048, 31310, 38440, 48050, 62620, 78275, 96100, 97061, 125240, 156550, 192200, 194122, 313100, 388244, 485305, 626200, 776488, 970610, 1941220, 2426525, 3882440, 4853050, 9706100, 19412200]

約数ペア:

[(1, 19412200), (2, 9706100), (4, 4853050), (5, 3882440), (8, 2426525), (10, 1941220), (20, 970610), (25, 776488), (31, 626200), (40, 485305), (50, 388244), (62, 313100), (100, 194122), (101, 192200), (124, 156550), (155, 125240), (200, 97061), (202, 96100), (248, 78275), (310, 62620), (404, 48050), (505, 38440), (620, 31310), (775, 25048), (808, 24025), (961, 20200), (1010, 19220), (1240, 15655), (1550, 12524), (1922, 10100), (2020, 9610), (2525, 7688), (3100, 6262), (3131, 6200), (3844, 5050), (4040, 4805)]