279493396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 672634368

約数和(自身を除く): 393140972

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 31, 34, 47, 52, 62, 68, 91, 94, 119, 124, 182, 188, 217, 221, 238, 329, 364, 403, 434, 442, 476, 527, 611, 658, 799, 806, 868, 884, 961, 1054, 1222, 1316, 1457, 1547, 1598, 1612, 1922, 2108, 2444, 2821, 2914, 3094, 3196, 3689, 3844, 4277, 5593, 5642, 5828, 6188, 6727, 6851, 7378, 8554, 10199, 10387, 11186, 11284, 12493, 13454, 13702, 14756, 16337, 17108, 18941, 20398, 20774, 22372, 24769, 24986, 26908, 27404, 32674, 37882, 40796, 41548, 45167, 47957, 49538, 49972, 65348, 72709, 75764, 87451, 90334, 95914, 99076, 114359, 132587, 145418, 173383, 174902, 180668, 191828, 212381, 228718, 265174, 290836, 316169, 321997, 346766, 349804, 424762, 457436, 530348, 587171, 632338, 643994, 693532, 767839, 849524, 1174342, 1264676, 1287988, 1486667, 1535678, 2253979, 2348684, 2973334, 3071356, 4110197, 4507958, 5374873, 5946668, 8220394, 9015916, 9981907, 10749746, 16440788, 19963814, 21499492, 39927628, 69873349, 139746698, 279493396]

約数ペア:

[(1, 279493396), (2, 139746698), (4, 69873349), (7, 39927628), (13, 21499492), (14, 19963814), (17, 16440788), (26, 10749746), (28, 9981907), (31, 9015916), (34, 8220394), (47, 5946668), (52, 5374873), (62, 4507958), (68, 4110197), (91, 3071356), (94, 2973334), (119, 2348684), (124, 2253979), (182, 1535678), (188, 1486667), (217, 1287988), (221, 1264676), (238, 1174342), (329, 849524), (364, 767839), (403, 693532), (434, 643994), (442, 632338), (476, 587171), (527, 530348), (611, 457436), (658, 424762), (799, 349804), (806, 346766), (868, 321997), (884, 316169), (961, 290836), (1054, 265174), (1222, 228718), (1316, 212381), (1457, 191828), (1547, 180668), (1598, 174902), (1612, 173383), (1922, 145418), (2108, 132587), (2444, 114359), (2821, 99076), (2914, 95914), (3094, 90334), (3196, 87451), (3689, 75764), (3844, 72709), (4277, 65348), (5593, 49972), (5642, 49538), (5828, 47957), (6188, 45167), (6727, 41548), (6851, 40796), (7378, 37882), (8554, 32674), (10199, 27404), (10387, 26908), (11186, 24986), (11284, 24769), (12493, 22372), (13454, 20774), (13702, 20398), (14756, 18941), (16337, 17108)]