201943400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{2797}}^1$

素因数の和:2851

約数の個数: 72

約数和(自身を含む): 495707670

約数和(自身を除く): 293764270

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 722, 760, 950, 1444, 1805, 1900, 2797, 2888, 3610, 3800, 5594, 7220, 9025, 11188, 13985, 14440, 18050, 22376, 27970, 36100, 53143, 55940, 69925, 72200, 106286, 111880, 139850, 212572, 265715, 279700, 425144, 531430, 559400, 1009717, 1062860, 1328575, 2019434, 2125720, 2657150, 4038868, 5048585, 5314300, 8077736, 10097170, 10628600, 20194340, 25242925, 40388680, 50485850, 100971700, 201943400]

約数ペア:

[(1, 201943400), (2, 100971700), (4, 50485850), (5, 40388680), (8, 25242925), (10, 20194340), (19, 10628600), (20, 10097170), (25, 8077736), (38, 5314300), (40, 5048585), (50, 4038868), (76, 2657150), (95, 2125720), (100, 2019434), (152, 1328575), (190, 1062860), (200, 1009717), (361, 559400), (380, 531430), (475, 425144), (722, 279700), (760, 265715), (950, 212572), (1444, 139850), (1805, 111880), (1900, 106286), (2797, 72200), (2888, 69925), (3610, 55940), (3800, 53143), (5594, 36100), (7220, 27970), (9025, 22376), (11188, 18050), (13985, 14440)]