413840900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1$

素因数の和:19845

約数の個数: 72

約数和(自身を含む): 1031288160

約数和(自身を除く): 617447260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 19801, 20900, 39602, 79204, 99005, 198010, 217811, 376219, 396020, 435622, 495025, 752438, 871244, 990050, 1089055, 1504876, 1881095, 1980100, 2178110, 3762190, 4138409, 4356220, 5445275, 7524380, 8276818, 9405475, 10890550, 16553636, 18810950, 20692045, 21781100, 37621900, 41384090, 82768180, 103460225, 206920450, 413840900]

約数ペア:

[(1, 413840900), (2, 206920450), (4, 103460225), (5, 82768180), (10, 41384090), (11, 37621900), (19, 21781100), (20, 20692045), (22, 18810950), (25, 16553636), (38, 10890550), (44, 9405475), (50, 8276818), (55, 7524380), (76, 5445275), (95, 4356220), (100, 4138409), (110, 3762190), (190, 2178110), (209, 1980100), (220, 1881095), (275, 1504876), (380, 1089055), (418, 990050), (475, 871244), (550, 752438), (836, 495025), (950, 435622), (1045, 396020), (1100, 376219), (1900, 217811), (2090, 198010), (4180, 99005), (5225, 79204), (10450, 39602), (19801, 20900)]