278372052

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 842429952

約数和(自身を除く): 564057900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 163, 189, 243, 251, 252, 324, 326, 378, 486, 489, 502, 567, 652, 753, 756, 972, 978, 1004, 1134, 1141, 1467, 1506, 1701, 1757, 1956, 2259, 2268, 2282, 2934, 3012, 3402, 3423, 3514, 4401, 4518, 4564, 5271, 5868, 6777, 6804, 6846, 7028, 8802, 9036, 10269, 10542, 13203, 13554, 13692, 15813, 17604, 20331, 20538, 21084, 26406, 27108, 30807, 31626, 39609, 40662, 40913, 41076, 47439, 52812, 60993, 61614, 63252, 79218, 81324, 81826, 92421, 94878, 121986, 122739, 123228, 142317, 158436, 163652, 184842, 189756, 243972, 245478, 277263, 284634, 286391, 368217, 369684, 426951, 490956, 554526, 569268, 572782, 736434, 853902, 859173, 1104651, 1109052, 1145564, 1472868, 1707804, 1718346, 2209302, 2577519, 3313953, 3436692, 4418604, 5155038, 6627906, 7732557, 9941859, 10310076, 13255812, 15465114, 19883718, 23197671, 30930228, 39767436, 46395342, 69593013, 92790684, 139186026, 278372052]

約数ペア:

[(1, 278372052), (2, 139186026), (3, 92790684), (4, 69593013), (6, 46395342), (7, 39767436), (9, 30930228), (12, 23197671), (14, 19883718), (18, 15465114), (21, 13255812), (27, 10310076), (28, 9941859), (36, 7732557), (42, 6627906), (54, 5155038), (63, 4418604), (81, 3436692), (84, 3313953), (108, 2577519), (126, 2209302), (162, 1718346), (163, 1707804), (189, 1472868), (243, 1145564), (251, 1109052), (252, 1104651), (324, 859173), (326, 853902), (378, 736434), (486, 572782), (489, 569268), (502, 554526), (567, 490956), (652, 426951), (753, 369684), (756, 368217), (972, 286391), (978, 284634), (1004, 277263), (1134, 245478), (1141, 243972), (1467, 189756), (1506, 184842), (1701, 163652), (1757, 158436), (1956, 142317), (2259, 123228), (2268, 122739), (2282, 121986), (2934, 94878), (3012, 92421), (3402, 81826), (3423, 81324), (3514, 79218), (4401, 63252), (4518, 61614), (4564, 60993), (5271, 52812), (5868, 47439), (6777, 41076), (6804, 40913), (6846, 40662), (7028, 39609), (8802, 31626), (9036, 30807), (10269, 27108), (10542, 26406), (13203, 21084), (13554, 20538), (13692, 20331), (15813, 17604)]