278928468

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 192

約数和(自身を含む): 902039040

約数和(自身を除く): 623110572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 101, 108, 117, 126, 156, 182, 189, 202, 234, 252, 273, 281, 303, 351, 364, 378, 404, 468, 546, 562, 606, 702, 707, 756, 819, 843, 909, 1092, 1124, 1212, 1313, 1404, 1414, 1638, 1686, 1818, 1967, 2121, 2457, 2529, 2626, 2727, 2828, 3276, 3372, 3636, 3653, 3934, 3939, 4242, 4914, 5058, 5252, 5454, 5901, 6363, 7306, 7587, 7868, 7878, 8484, 9191, 9828, 10116, 10908, 10959, 11802, 11817, 12726, 14612, 15174, 15756, 17703, 18382, 19089, 21918, 23604, 23634, 25452, 25571, 27573, 28381, 30348, 32877, 35406, 35451, 36764, 38178, 43836, 47268, 51142, 53109, 55146, 56762, 65754, 70812, 70902, 76356, 76713, 82719, 85143, 98631, 102284, 106218, 110292, 113524, 131508, 141804, 153426, 165438, 170286, 197262, 198667, 212436, 230139, 248157, 255429, 306852, 330876, 340572, 368953, 394524, 397334, 460278, 496314, 510858, 596001, 690417, 737906, 766287, 794668, 920556, 992628, 1021716, 1106859, 1192002, 1380834, 1475812, 1532574, 1788003, 2213718, 2384004, 2582671, 2761668, 3065148, 3320577, 3576006, 4427436, 5165342, 5364009, 6641154, 7152012, 7748013, 9961731, 10330684, 10728018, 13282308, 15496026, 19923462, 21456036, 23244039, 30992052, 39846924, 46488078, 69732117, 92976156, 139464234, 278928468]

約数ペア:

[(1, 278928468), (2, 139464234), (3, 92976156), (4, 69732117), (6, 46488078), (7, 39846924), (9, 30992052), (12, 23244039), (13, 21456036), (14, 19923462), (18, 15496026), (21, 13282308), (26, 10728018), (27, 10330684), (28, 9961731), (36, 7748013), (39, 7152012), (42, 6641154), (52, 5364009), (54, 5165342), (63, 4427436), (78, 3576006), (84, 3320577), (91, 3065148), (101, 2761668), (108, 2582671), (117, 2384004), (126, 2213718), (156, 1788003), (182, 1532574), (189, 1475812), (202, 1380834), (234, 1192002), (252, 1106859), (273, 1021716), (281, 992628), (303, 920556), (351, 794668), (364, 766287), (378, 737906), (404, 690417), (468, 596001), (546, 510858), (562, 496314), (606, 460278), (702, 397334), (707, 394524), (756, 368953), (819, 340572), (843, 330876), (909, 306852), (1092, 255429), (1124, 248157), (1212, 230139), (1313, 212436), (1404, 198667), (1414, 197262), (1638, 170286), (1686, 165438), (1818, 153426), (1967, 141804), (2121, 131508), (2457, 113524), (2529, 110292), (2626, 106218), (2727, 102284), (2828, 98631), (3276, 85143), (3372, 82719), (3636, 76713), (3653, 76356), (3934, 70902), (3939, 70812), (4242, 65754), (4914, 56762), (5058, 55146), (5252, 53109), (5454, 51142), (5901, 47268), (6363, 43836), (7306, 38178), (7587, 36764), (7868, 35451), (7878, 35406), (8484, 32877), (9191, 30348), (9828, 28381), (10116, 27573), (10908, 25571), (10959, 25452), (11802, 23634), (11817, 23604), (12726, 21918), (14612, 19089), (15174, 18382), (15756, 17703)]