738858250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 1619025408

約数和(自身を除く): 880167158

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 43, 50, 65, 85, 86, 125, 130, 170, 215, 221, 250, 311, 325, 425, 430, 442, 559, 622, 650, 731, 850, 1075, 1105, 1118, 1462, 1555, 1625, 2125, 2150, 2210, 2795, 3110, 3250, 3655, 4043, 4250, 5287, 5375, 5525, 5590, 7310, 7775, 8086, 9503, 10574, 10750, 11050, 13373, 13975, 15550, 18275, 19006, 20215, 26435, 26746, 27625, 27950, 36550, 38875, 40430, 47515, 52870, 55250, 66865, 68731, 69875, 77750, 91375, 95030, 101075, 132175, 133730, 137462, 139750, 173849, 182750, 202150, 227341, 237575, 264350, 334325, 343655, 347698, 454682, 475150, 505375, 660875, 668650, 687310, 869245, 1010750, 1136705, 1187875, 1321750, 1671625, 1718275, 1738490, 2273410, 2375750, 2955433, 3343250, 3436550, 4346225, 5683525, 5910866, 8591375, 8692450, 11367050, 14777165, 17182750, 21731125, 28417625, 29554330, 43462250, 56835250, 73885825, 147771650, 369429125, 738858250]

約数ペア:

[(1, 738858250), (2, 369429125), (5, 147771650), (10, 73885825), (13, 56835250), (17, 43462250), (25, 29554330), (26, 28417625), (34, 21731125), (43, 17182750), (50, 14777165), (65, 11367050), (85, 8692450), (86, 8591375), (125, 5910866), (130, 5683525), (170, 4346225), (215, 3436550), (221, 3343250), (250, 2955433), (311, 2375750), (325, 2273410), (425, 1738490), (430, 1718275), (442, 1671625), (559, 1321750), (622, 1187875), (650, 1136705), (731, 1010750), (850, 869245), (1075, 687310), (1105, 668650), (1118, 660875), (1462, 505375), (1555, 475150), (1625, 454682), (2125, 347698), (2150, 343655), (2210, 334325), (2795, 264350), (3110, 237575), (3250, 227341), (3655, 202150), (4043, 182750), (4250, 173849), (5287, 139750), (5375, 137462), (5525, 133730), (5590, 132175), (7310, 101075), (7775, 95030), (8086, 91375), (9503, 77750), (10574, 69875), (10750, 68731), (11050, 66865), (13373, 55250), (13975, 52870), (15550, 47515), (18275, 40430), (19006, 38875), (20215, 36550), (26435, 27950), (26746, 27625)]