416497400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 1097106120

約数和(自身を除く): 680608720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 124, 155, 197, 200, 220, 248, 275, 310, 341, 394, 440, 550, 620, 682, 775, 788, 961, 985, 1100, 1240, 1364, 1550, 1576, 1705, 1922, 1970, 2167, 2200, 2728, 3100, 3410, 3844, 3940, 4334, 4805, 4925, 6107, 6200, 6820, 7688, 7880, 8525, 8668, 9610, 9850, 10571, 10835, 12214, 13640, 17050, 17336, 19220, 19700, 21142, 21670, 24025, 24428, 30535, 34100, 38440, 39400, 42284, 43340, 48050, 48856, 52855, 54175, 61070, 67177, 68200, 84568, 86680, 96100, 105710, 108350, 122140, 134354, 152675, 189317, 192200, 211420, 216700, 244280, 264275, 268708, 305350, 335885, 378634, 422840, 433400, 528550, 537416, 610700, 671770, 757268, 946585, 1057100, 1221400, 1343540, 1514536, 1679425, 1893170, 2082487, 2114200, 2687080, 3358850, 3786340, 4164974, 4732925, 6717700, 7572680, 8329948, 9465850, 10412435, 13435400, 16659896, 18931700, 20824870, 37863400, 41649740, 52062175, 83299480, 104124350, 208248700, 416497400]

約数ペア:

[(1, 416497400), (2, 208248700), (4, 104124350), (5, 83299480), (8, 52062175), (10, 41649740), (11, 37863400), (20, 20824870), (22, 18931700), (25, 16659896), (31, 13435400), (40, 10412435), (44, 9465850), (50, 8329948), (55, 7572680), (62, 6717700), (88, 4732925), (100, 4164974), (110, 3786340), (124, 3358850), (155, 2687080), (197, 2114200), (200, 2082487), (220, 1893170), (248, 1679425), (275, 1514536), (310, 1343540), (341, 1221400), (394, 1057100), (440, 946585), (550, 757268), (620, 671770), (682, 610700), (775, 537416), (788, 528550), (961, 433400), (985, 422840), (1100, 378634), (1240, 335885), (1364, 305350), (1550, 268708), (1576, 264275), (1705, 244280), (1922, 216700), (1970, 211420), (2167, 192200), (2200, 189317), (2728, 152675), (3100, 134354), (3410, 122140), (3844, 108350), (3940, 105710), (4334, 96100), (4805, 86680), (4925, 84568), (6107, 68200), (6200, 67177), (6820, 61070), (7688, 54175), (7880, 52855), (8525, 48856), (8668, 48050), (9610, 43340), (9850, 42284), (10571, 39400), (10835, 38440), (12214, 34100), (13640, 30535), (17050, 24428), (17336, 24025), (19220, 21670), (19700, 21142)]