255818200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^3\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 675994680

約数和(自身を除く): 420176480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 121, 124, 155, 200, 220, 242, 248, 275, 310, 341, 440, 484, 550, 605, 620, 682, 775, 961, 968, 1100, 1210, 1240, 1331, 1364, 1550, 1705, 1922, 2200, 2420, 2662, 2728, 3025, 3100, 3410, 3751, 3844, 4805, 4840, 5324, 6050, 6200, 6655, 6820, 7502, 7688, 8525, 9610, 10571, 10648, 12100, 13310, 13640, 15004, 17050, 18755, 19220, 21142, 24025, 24200, 26620, 30008, 33275, 34100, 37510, 38440, 41261, 42284, 48050, 52855, 53240, 66550, 68200, 75020, 82522, 84568, 93775, 96100, 105710, 116281, 133100, 150040, 165044, 187550, 192200, 206305, 211420, 232562, 264275, 266200, 330088, 375100, 412610, 422840, 465124, 528550, 581405, 750200, 825220, 930248, 1031525, 1057100, 1162810, 1279091, 1650440, 2063050, 2114200, 2325620, 2558182, 2907025, 4126100, 4651240, 5116364, 5814050, 6395455, 8252200, 10232728, 11628100, 12790910, 23256200, 25581820, 31977275, 51163640, 63954550, 127909100, 255818200]

約数ペア:

[(1, 255818200), (2, 127909100), (4, 63954550), (5, 51163640), (8, 31977275), (10, 25581820), (11, 23256200), (20, 12790910), (22, 11628100), (25, 10232728), (31, 8252200), (40, 6395455), (44, 5814050), (50, 5116364), (55, 4651240), (62, 4126100), (88, 2907025), (100, 2558182), (110, 2325620), (121, 2114200), (124, 2063050), (155, 1650440), (200, 1279091), (220, 1162810), (242, 1057100), (248, 1031525), (275, 930248), (310, 825220), (341, 750200), (440, 581405), (484, 528550), (550, 465124), (605, 422840), (620, 412610), (682, 375100), (775, 330088), (961, 266200), (968, 264275), (1100, 232562), (1210, 211420), (1240, 206305), (1331, 192200), (1364, 187550), (1550, 165044), (1705, 150040), (1922, 133100), (2200, 116281), (2420, 105710), (2662, 96100), (2728, 93775), (3025, 84568), (3100, 82522), (3410, 75020), (3751, 68200), (3844, 66550), (4805, 53240), (4840, 52855), (5324, 48050), (6050, 42284), (6200, 41261), (6655, 38440), (6820, 37510), (7502, 34100), (7688, 33275), (8525, 30008), (9610, 26620), (10571, 24200), (10648, 24025), (12100, 21142), (13310, 19220), (13640, 18755), (15004, 17050)]