289997172

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 794935232

約数和(自身を除く): 504938060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 67, 73, 81, 108, 122, 134, 146, 162, 183, 201, 219, 243, 244, 268, 292, 324, 366, 402, 438, 486, 549, 603, 657, 732, 804, 876, 972, 1098, 1206, 1314, 1647, 1809, 1971, 2196, 2412, 2628, 3294, 3618, 3942, 4087, 4453, 4891, 4941, 5427, 5913, 6588, 7236, 7884, 8174, 8906, 9782, 9882, 10854, 11826, 12261, 13359, 14673, 14823, 16281, 16348, 17739, 17812, 19564, 19764, 21708, 23652, 24522, 26718, 29346, 29646, 32562, 35478, 36783, 40077, 44019, 49044, 53436, 58692, 59292, 65124, 70956, 73566, 80154, 88038, 110349, 120231, 132057, 147132, 160308, 176076, 220698, 240462, 264114, 298351, 331047, 360693, 396171, 441396, 480924, 528228, 596702, 662094, 721386, 792342, 895053, 993141, 1082079, 1188513, 1193404, 1324188, 1442772, 1584684, 1790106, 1986282, 2164158, 2377026, 2685159, 3580212, 3972564, 4328316, 4754052, 5370318, 8055477, 10740636, 16110954, 24166431, 32221908, 48332862, 72499293, 96665724, 144998586, 289997172]

約数ペア:

[(1, 289997172), (2, 144998586), (3, 96665724), (4, 72499293), (6, 48332862), (9, 32221908), (12, 24166431), (18, 16110954), (27, 10740636), (36, 8055477), (54, 5370318), (61, 4754052), (67, 4328316), (73, 3972564), (81, 3580212), (108, 2685159), (122, 2377026), (134, 2164158), (146, 1986282), (162, 1790106), (183, 1584684), (201, 1442772), (219, 1324188), (243, 1193404), (244, 1188513), (268, 1082079), (292, 993141), (324, 895053), (366, 792342), (402, 721386), (438, 662094), (486, 596702), (549, 528228), (603, 480924), (657, 441396), (732, 396171), (804, 360693), (876, 331047), (972, 298351), (1098, 264114), (1206, 240462), (1314, 220698), (1647, 176076), (1809, 160308), (1971, 147132), (2196, 132057), (2412, 120231), (2628, 110349), (3294, 88038), (3618, 80154), (3942, 73566), (4087, 70956), (4453, 65124), (4891, 59292), (4941, 58692), (5427, 53436), (5913, 49044), (6588, 44019), (7236, 40077), (7884, 36783), (8174, 35478), (8906, 32562), (9782, 29646), (9882, 29346), (10854, 26718), (11826, 24522), (12261, 23652), (13359, 21708), (14673, 19764), (14823, 19564), (16281, 17812), (16348, 17739)]