16213305220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 40161284352

約数和(自身を除く): 23947979132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 167, 196, 245, 314, 334, 490, 628, 631, 668, 785, 835, 980, 1099, 1169, 1262, 1570, 1670, 2198, 2338, 2524, 3140, 3155, 3340, 4396, 4417, 4676, 5495, 5845, 6310, 7693, 8183, 8834, 10990, 11690, 12620, 15386, 16366, 17668, 21980, 22085, 23380, 26219, 30772, 30919, 32732, 38465, 40915, 44170, 52438, 61838, 76930, 81830, 88340, 99067, 104876, 105377, 123676, 131095, 153860, 154595, 163660, 183533, 198134, 210754, 262190, 309190, 367066, 396268, 421508, 495335, 524380, 526885, 618380, 693469, 734132, 737639, 917665, 990670, 1053770, 1284731, 1386938, 1475278, 1835330, 1981340, 2107540, 2569462, 2773876, 2950556, 3467345, 3670660, 3688195, 4854283, 5138924, 5163473, 6423655, 6934690, 7376390, 9708566, 10326946, 12847310, 13869380, 14752780, 16544189, 19417132, 20653892, 24271415, 25694620, 25817365, 33088378, 48542830, 51634730, 66176756, 82720945, 97085660, 103269460, 115809323, 165441890, 231618646, 330883780, 463237292, 579046615, 810665261, 1158093230, 1621330522, 2316186460, 3242661044, 4053326305, 8106652610, 16213305220]

約数ペア:

[(1, 16213305220), (2, 8106652610), (4, 4053326305), (5, 3242661044), (7, 2316186460), (10, 1621330522), (14, 1158093230), (20, 810665261), (28, 579046615), (35, 463237292), (49, 330883780), (70, 231618646), (98, 165441890), (140, 115809323), (157, 103269460), (167, 97085660), (196, 82720945), (245, 66176756), (314, 51634730), (334, 48542830), (490, 33088378), (628, 25817365), (631, 25694620), (668, 24271415), (785, 20653892), (835, 19417132), (980, 16544189), (1099, 14752780), (1169, 13869380), (1262, 12847310), (1570, 10326946), (1670, 9708566), (2198, 7376390), (2338, 6934690), (2524, 6423655), (3140, 5163473), (3155, 5138924), (3340, 4854283), (4396, 3688195), (4417, 3670660), (4676, 3467345), (5495, 2950556), (5845, 2773876), (6310, 2569462), (7693, 2107540), (8183, 1981340), (8834, 1835330), (10990, 1475278), (11690, 1386938), (12620, 1284731), (15386, 1053770), (16366, 990670), (17668, 917665), (21980, 737639), (22085, 734132), (23380, 693469), (26219, 618380), (30772, 526885), (30919, 524380), (32732, 495335), (38465, 421508), (40915, 396268), (44170, 367066), (52438, 309190), (61838, 262190), (76930, 210754), (81830, 198134), (88340, 183533), (99067, 163660), (104876, 154595), (105377, 153860), (123676, 131095)]