2201218550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 4305679776

約数和(自身を除く): 2104461226

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 155, 305, 310, 610, 751, 775, 961, 1502, 1525, 1550, 1891, 1922, 3050, 3755, 3782, 4805, 7510, 9455, 9610, 18775, 18910, 23281, 24025, 37550, 45811, 46562, 47275, 48050, 58621, 91622, 94550, 116405, 117242, 229055, 232810, 293105, 458110, 582025, 586210, 721711, 1145275, 1164050, 1420141, 1443422, 1465525, 2290550, 2840282, 2931050, 3608555, 7100705, 7217110, 14201410, 18042775, 35503525, 36085550, 44024371, 71007050, 88048742, 220121855, 440243710, 1100609275, 2201218550]

約数ペア:

[(1, 2201218550), (2, 1100609275), (5, 440243710), (10, 220121855), (25, 88048742), (31, 71007050), (50, 44024371), (61, 36085550), (62, 35503525), (122, 18042775), (155, 14201410), (305, 7217110), (310, 7100705), (610, 3608555), (751, 2931050), (775, 2840282), (961, 2290550), (1502, 1465525), (1525, 1443422), (1550, 1420141), (1891, 1164050), (1922, 1145275), (3050, 721711), (3755, 586210), (3782, 582025), (4805, 458110), (7510, 293105), (9455, 232810), (9610, 229055), (18775, 117242), (18910, 116405), (23281, 94550), (24025, 91622), (37550, 58621), (45811, 48050), (46562, 47275)]