199545760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40231}}^1$

素因数の和:40277

約数の個数: 48

約数和(自身を含む): 486646272

約数和(自身を除く): 287100512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 40231, 80462, 160924, 201155, 321848, 402310, 643696, 804620, 1247161, 1287392, 1609240, 2494322, 3218480, 4988644, 6235805, 6436960, 9977288, 12471610, 19954576, 24943220, 39909152, 49886440, 99772880, 199545760]

約数ペア:

[(1, 199545760), (2, 99772880), (4, 49886440), (5, 39909152), (8, 24943220), (10, 19954576), (16, 12471610), (20, 9977288), (31, 6436960), (32, 6235805), (40, 4988644), (62, 3218480), (80, 2494322), (124, 1609240), (155, 1287392), (160, 1247161), (248, 804620), (310, 643696), (496, 402310), (620, 321848), (992, 201155), (1240, 160924), (2480, 80462), (4960, 40231)]