278904444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 839946240

約数和(自身を除く): 561041796

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 53, 61, 78, 79, 84, 91, 106, 122, 156, 158, 159, 182, 183, 212, 237, 244, 273, 316, 318, 364, 366, 371, 427, 474, 546, 553, 636, 689, 732, 742, 793, 854, 948, 1027, 1092, 1106, 1113, 1281, 1378, 1484, 1586, 1659, 1708, 2054, 2067, 2212, 2226, 2379, 2562, 2756, 3081, 3172, 3233, 3318, 4108, 4134, 4187, 4452, 4758, 4819, 4823, 5124, 5551, 6162, 6466, 6636, 7189, 8268, 8374, 9516, 9638, 9646, 9699, 11102, 12324, 12561, 12932, 14378, 14457, 14469, 16653, 16748, 19276, 19292, 19398, 21567, 22204, 22631, 25122, 28756, 28914, 28938, 29309, 33306, 33733, 38796, 42029, 43134, 45262, 50244, 54431, 57828, 57876, 58618, 62647, 66612, 67466, 67893, 84058, 86268, 87927, 90524, 101199, 108862, 117236, 125294, 126087, 134932, 135786, 163293, 168116, 175854, 187941, 202398, 217724, 250588, 252174, 255407, 271572, 294203, 326586, 351708, 375882, 381017, 404796, 438529, 504348, 510814, 588406, 653172, 751764, 762034, 766221, 877058, 882609, 1021628, 1143051, 1176812, 1315587, 1524068, 1532442, 1754116, 1765218, 1787849, 2286102, 2631174, 3064884, 3320291, 3530436, 3575698, 4572204, 5262348, 5363547, 6640582, 7151396, 9960873, 10727094, 13281164, 19921746, 21454188, 23242037, 39843492, 46484074, 69726111, 92968148, 139452222, 278904444]

約数ペア:

[(1, 278904444), (2, 139452222), (3, 92968148), (4, 69726111), (6, 46484074), (7, 39843492), (12, 23242037), (13, 21454188), (14, 19921746), (21, 13281164), (26, 10727094), (28, 9960873), (39, 7151396), (42, 6640582), (52, 5363547), (53, 5262348), (61, 4572204), (78, 3575698), (79, 3530436), (84, 3320291), (91, 3064884), (106, 2631174), (122, 2286102), (156, 1787849), (158, 1765218), (159, 1754116), (182, 1532442), (183, 1524068), (212, 1315587), (237, 1176812), (244, 1143051), (273, 1021628), (316, 882609), (318, 877058), (364, 766221), (366, 762034), (371, 751764), (427, 653172), (474, 588406), (546, 510814), (553, 504348), (636, 438529), (689, 404796), (732, 381017), (742, 375882), (793, 351708), (854, 326586), (948, 294203), (1027, 271572), (1092, 255407), (1106, 252174), (1113, 250588), (1281, 217724), (1378, 202398), (1484, 187941), (1586, 175854), (1659, 168116), (1708, 163293), (2054, 135786), (2067, 134932), (2212, 126087), (2226, 125294), (2379, 117236), (2562, 108862), (2756, 101199), (3081, 90524), (3172, 87927), (3233, 86268), (3318, 84058), (4108, 67893), (4134, 67466), (4187, 66612), (4452, 62647), (4758, 58618), (4819, 57876), (4823, 57828), (5124, 54431), (5551, 50244), (6162, 45262), (6466, 43134), (6636, 42029), (7189, 38796), (8268, 33733), (8374, 33306), (9516, 29309), (9638, 28938), (9646, 28914), (9699, 28756), (11102, 25122), (12324, 22631), (12561, 22204), (12932, 21567), (14378, 19398), (14457, 19292), (14469, 19276), (16653, 16748)]