55490850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:724

約数の個数: 72

約数和(自身を含む): 149940180

約数和(自身を除く): 94449330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 317, 389, 450, 634, 778, 951, 1167, 1585, 1902, 1945, 2334, 2853, 3170, 3501, 3890, 4755, 5706, 5835, 7002, 7925, 9510, 9725, 11670, 14265, 15850, 17505, 19450, 23775, 28530, 29175, 35010, 47550, 58350, 71325, 87525, 123313, 142650, 175050, 246626, 369939, 616565, 739878, 1109817, 1233130, 1849695, 2219634, 3082825, 3699390, 5549085, 6165650, 9248475, 11098170, 18496950, 27745425, 55490850]

約数ペア:

[(1, 55490850), (2, 27745425), (3, 18496950), (5, 11098170), (6, 9248475), (9, 6165650), (10, 5549085), (15, 3699390), (18, 3082825), (25, 2219634), (30, 1849695), (45, 1233130), (50, 1109817), (75, 739878), (90, 616565), (150, 369939), (225, 246626), (317, 175050), (389, 142650), (450, 123313), (634, 87525), (778, 71325), (951, 58350), (1167, 47550), (1585, 35010), (1902, 29175), (1945, 28530), (2334, 23775), (2853, 19450), (3170, 17505), (3501, 15850), (3890, 14265), (4755, 11670), (5706, 9725), (5835, 9510), (7002, 7925)]