154144400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 90

約数和(自身を含む): 383617746

約数和(自身を除く): 229473346

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 401, 496, 620, 775, 802, 961, 1240, 1550, 1604, 1922, 2005, 2480, 3100, 3208, 3844, 4010, 4805, 6200, 6416, 7688, 8020, 9610, 10025, 12400, 12431, 15376, 16040, 19220, 20050, 24025, 24862, 32080, 38440, 40100, 48050, 49724, 62155, 76880, 80200, 96100, 99448, 124310, 160400, 192200, 198896, 248620, 310775, 384400, 385361, 497240, 621550, 770722, 994480, 1243100, 1541444, 1926805, 2486200, 3082888, 3853610, 4972400, 6165776, 7707220, 9634025, 15414440, 19268050, 30828880, 38536100, 77072200, 154144400]

約数ペア:

[(1, 154144400), (2, 77072200), (4, 38536100), (5, 30828880), (8, 19268050), (10, 15414440), (16, 9634025), (20, 7707220), (25, 6165776), (31, 4972400), (40, 3853610), (50, 3082888), (62, 2486200), (80, 1926805), (100, 1541444), (124, 1243100), (155, 994480), (200, 770722), (248, 621550), (310, 497240), (400, 385361), (401, 384400), (496, 310775), (620, 248620), (775, 198896), (802, 192200), (961, 160400), (1240, 124310), (1550, 99448), (1604, 96100), (1922, 80200), (2005, 76880), (2480, 62155), (3100, 49724), (3208, 48050), (3844, 40100), (4010, 38440), (4805, 32080), (6200, 24862), (6416, 24025), (7688, 20050), (8020, 19220), (9610, 16040), (10025, 15376), (12400, 12431)]