210097900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 488874960

約数和(自身を除く): 278777060

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 83, 85, 100, 166, 170, 332, 340, 415, 425, 830, 850, 1411, 1489, 1660, 1700, 2075, 2822, 2978, 4150, 5644, 5956, 7055, 7445, 8300, 14110, 14890, 25313, 28220, 29780, 35275, 37225, 50626, 70550, 74450, 101252, 123587, 126565, 141100, 148900, 247174, 253130, 494348, 506260, 617935, 632825, 1235870, 1265650, 2100979, 2471740, 2531300, 3089675, 4201958, 6179350, 8403916, 10504895, 12358700, 21009790, 42019580, 52524475, 105048950, 210097900]

約数ペア:

[(1, 210097900), (2, 105048950), (4, 52524475), (5, 42019580), (10, 21009790), (17, 12358700), (20, 10504895), (25, 8403916), (34, 6179350), (50, 4201958), (68, 3089675), (83, 2531300), (85, 2471740), (100, 2100979), (166, 1265650), (170, 1235870), (332, 632825), (340, 617935), (415, 506260), (425, 494348), (830, 253130), (850, 247174), (1411, 148900), (1489, 141100), (1660, 126565), (1700, 123587), (2075, 101252), (2822, 74450), (2978, 70550), (4150, 50626), (5644, 37225), (5956, 35275), (7055, 29780), (7445, 28220), (8300, 25313), (14110, 14890)]