278474364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:920

約数の個数: 144

約数和(自身を含む): 850769920

約数和(自身を除く): 572295556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 43, 62, 63, 84, 86, 93, 124, 126, 129, 172, 186, 217, 252, 258, 279, 301, 372, 387, 434, 516, 558, 602, 651, 774, 829, 868, 903, 1116, 1204, 1302, 1333, 1548, 1658, 1806, 1953, 2487, 2604, 2666, 2709, 3316, 3612, 3906, 3999, 4974, 5332, 5418, 5803, 7461, 7812, 7998, 9331, 9948, 10836, 11606, 11997, 14922, 15996, 17409, 18662, 23212, 23994, 25699, 27993, 29844, 34818, 35647, 37324, 47988, 51398, 52227, 55986, 69636, 71294, 77097, 83979, 102796, 104454, 106941, 111972, 142588, 154194, 167958, 179893, 208908, 213882, 231291, 249529, 308388, 320823, 335916, 359786, 427764, 462582, 499058, 539679, 641646, 719572, 748587, 925164, 998116, 1079358, 1105057, 1283292, 1497174, 1619037, 2158716, 2210114, 2245761, 2994348, 3238074, 3315171, 4420228, 4491522, 6476148, 6630342, 7735399, 8983044, 9945513, 13260684, 15470798, 19891026, 23206197, 30941596, 39782052, 46412394, 69618591, 92824788, 139237182, 278474364]

約数ペア:

[(1, 278474364), (2, 139237182), (3, 92824788), (4, 69618591), (6, 46412394), (7, 39782052), (9, 30941596), (12, 23206197), (14, 19891026), (18, 15470798), (21, 13260684), (28, 9945513), (31, 8983044), (36, 7735399), (42, 6630342), (43, 6476148), (62, 4491522), (63, 4420228), (84, 3315171), (86, 3238074), (93, 2994348), (124, 2245761), (126, 2210114), (129, 2158716), (172, 1619037), (186, 1497174), (217, 1283292), (252, 1105057), (258, 1079358), (279, 998116), (301, 925164), (372, 748587), (387, 719572), (434, 641646), (516, 539679), (558, 499058), (602, 462582), (651, 427764), (774, 359786), (829, 335916), (868, 320823), (903, 308388), (1116, 249529), (1204, 231291), (1302, 213882), (1333, 208908), (1548, 179893), (1658, 167958), (1806, 154194), (1953, 142588), (2487, 111972), (2604, 106941), (2666, 104454), (2709, 102796), (3316, 83979), (3612, 77097), (3906, 71294), (3999, 69636), (4974, 55986), (5332, 52227), (5418, 51398), (5803, 47988), (7461, 37324), (7812, 35647), (7998, 34818), (9331, 29844), (9948, 27993), (10836, 25699), (11606, 23994), (11997, 23212), (14922, 18662), (15996, 17409)]