2019955600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29881}}^1$

素因数の和:29925

約数の個数: 90

約数和(自身を含む): 5255138166

約数和(自身を除く): 3235182566

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1040, 1300, 1352, 1690, 2600, 2704, 3380, 4225, 5200, 6760, 8450, 13520, 16900, 29881, 33800, 59762, 67600, 119524, 149405, 239048, 298810, 388453, 478096, 597620, 747025, 776906, 1195240, 1494050, 1553812, 1942265, 2390480, 2988100, 3107624, 3884530, 5049889, 5976200, 6215248, 7769060, 9711325, 10099778, 11952400, 15538120, 19422650, 20199556, 25249445, 31076240, 38845300, 40399112, 50498890, 77690600, 80798224, 100997780, 126247225, 155381200, 201995560, 252494450, 403991120, 504988900, 1009977800, 2019955600]

約数ペア:

[(1, 2019955600), (2, 1009977800), (4, 504988900), (5, 403991120), (8, 252494450), (10, 201995560), (13, 155381200), (16, 126247225), (20, 100997780), (25, 80798224), (26, 77690600), (40, 50498890), (50, 40399112), (52, 38845300), (65, 31076240), (80, 25249445), (100, 20199556), (104, 19422650), (130, 15538120), (169, 11952400), (200, 10099778), (208, 9711325), (260, 7769060), (325, 6215248), (338, 5976200), (400, 5049889), (520, 3884530), (650, 3107624), (676, 2988100), (845, 2390480), (1040, 1942265), (1300, 1553812), (1352, 1494050), (1690, 1195240), (2600, 776906), (2704, 747025), (3380, 597620), (4225, 478096), (5200, 388453), (6760, 298810), (8450, 239048), (13520, 149405), (16900, 119524), (29881, 67600), (33800, 59762)]