280221690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 840499200

約数和(自身を除く): 560277510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 79, 95, 98, 105, 114, 127, 133, 147, 158, 190, 210, 237, 245, 254, 266, 285, 294, 381, 395, 399, 474, 490, 553, 570, 635, 665, 735, 762, 790, 798, 889, 931, 1106, 1185, 1270, 1330, 1470, 1501, 1659, 1778, 1862, 1905, 1995, 2370, 2413, 2667, 2765, 2793, 3002, 3318, 3810, 3871, 3990, 4445, 4503, 4655, 4826, 5334, 5530, 5586, 6223, 7239, 7505, 7742, 8295, 8890, 9006, 9310, 10033, 10507, 11613, 12065, 12446, 13335, 13965, 14478, 15010, 16590, 16891, 18669, 19355, 20066, 21014, 22515, 23226, 24130, 26670, 27930, 30099, 31115, 31521, 33782, 36195, 37338, 38710, 45030, 50165, 50673, 52535, 58065, 60198, 62230, 63042, 70231, 72390, 73549, 84455, 93345, 100330, 101346, 105070, 116130, 118237, 140462, 147098, 150495, 157605, 168910, 186690, 190627, 210693, 220647, 236474, 253365, 300990, 315210, 351155, 354711, 367745, 381254, 421386, 441294, 491617, 506730, 571881, 591185, 702310, 709422, 735490, 953135, 983234, 1053465, 1103235, 1143762, 1182370, 1334389, 1474851, 1773555, 1906270, 2106930, 2206470, 2458085, 2668778, 2859405, 2949702, 3547110, 4003167, 4916170, 5718810, 6671945, 7374255, 8006334, 9340723, 13343890, 14748510, 18681446, 20015835, 28022169, 40031670, 46703615, 56044338, 93407230, 140110845, 280221690]

約数ペア:

[(1, 280221690), (2, 140110845), (3, 93407230), (5, 56044338), (6, 46703615), (7, 40031670), (10, 28022169), (14, 20015835), (15, 18681446), (19, 14748510), (21, 13343890), (30, 9340723), (35, 8006334), (38, 7374255), (42, 6671945), (49, 5718810), (57, 4916170), (70, 4003167), (79, 3547110), (95, 2949702), (98, 2859405), (105, 2668778), (114, 2458085), (127, 2206470), (133, 2106930), (147, 1906270), (158, 1773555), (190, 1474851), (210, 1334389), (237, 1182370), (245, 1143762), (254, 1103235), (266, 1053465), (285, 983234), (294, 953135), (381, 735490), (395, 709422), (399, 702310), (474, 591185), (490, 571881), (553, 506730), (570, 491617), (635, 441294), (665, 421386), (735, 381254), (762, 367745), (790, 354711), (798, 351155), (889, 315210), (931, 300990), (1106, 253365), (1185, 236474), (1270, 220647), (1330, 210693), (1470, 190627), (1501, 186690), (1659, 168910), (1778, 157605), (1862, 150495), (1905, 147098), (1995, 140462), (2370, 118237), (2413, 116130), (2667, 105070), (2765, 101346), (2793, 100330), (3002, 93345), (3318, 84455), (3810, 73549), (3871, 72390), (3990, 70231), (4445, 63042), (4503, 62230), (4655, 60198), (4826, 58065), (5334, 52535), (5530, 50673), (5586, 50165), (6223, 45030), (7239, 38710), (7505, 37338), (7742, 36195), (8295, 33782), (8890, 31521), (9006, 31115), (9310, 30099), (10033, 27930), (10507, 26670), (11613, 24130), (12065, 23226), (12446, 22515), (13335, 21014), (13965, 20066), (14478, 19355), (15010, 18669), (16590, 16891)]