380806452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 1076275200

約数和(自身を除く): 695468748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 127, 129, 149, 156, 172, 234, 254, 258, 298, 381, 387, 447, 468, 508, 516, 559, 596, 762, 774, 894, 1118, 1143, 1341, 1524, 1548, 1651, 1677, 1788, 1937, 2236, 2286, 2682, 3302, 3354, 3874, 4572, 4953, 5031, 5364, 5461, 5811, 6407, 6604, 6708, 7748, 9906, 10062, 10922, 11622, 12814, 14859, 16383, 17433, 18923, 19221, 19812, 20124, 21844, 23244, 25628, 29718, 32766, 34866, 37846, 38442, 49149, 56769, 57663, 59436, 65532, 69732, 70993, 75692, 76884, 83291, 98298, 113538, 115326, 141986, 166582, 170307, 196596, 212979, 227076, 230652, 245999, 249873, 283972, 333164, 340614, 425958, 491998, 499746, 638937, 681228, 737997, 749619, 813689, 851916, 983996, 999492, 1277874, 1475994, 1499238, 1627378, 2213991, 2441067, 2555748, 2951988, 2998476, 3254756, 4427982, 4882134, 7323201, 8855964, 9764268, 10577957, 14646402, 21155914, 29292804, 31733871, 42311828, 63467742, 95201613, 126935484, 190403226, 380806452]

約数ペア:

[(1, 380806452), (2, 190403226), (3, 126935484), (4, 95201613), (6, 63467742), (9, 42311828), (12, 31733871), (13, 29292804), (18, 21155914), (26, 14646402), (36, 10577957), (39, 9764268), (43, 8855964), (52, 7323201), (78, 4882134), (86, 4427982), (117, 3254756), (127, 2998476), (129, 2951988), (149, 2555748), (156, 2441067), (172, 2213991), (234, 1627378), (254, 1499238), (258, 1475994), (298, 1277874), (381, 999492), (387, 983996), (447, 851916), (468, 813689), (508, 749619), (516, 737997), (559, 681228), (596, 638937), (762, 499746), (774, 491998), (894, 425958), (1118, 340614), (1143, 333164), (1341, 283972), (1524, 249873), (1548, 245999), (1651, 230652), (1677, 227076), (1788, 212979), (1937, 196596), (2236, 170307), (2286, 166582), (2682, 141986), (3302, 115326), (3354, 113538), (3874, 98298), (4572, 83291), (4953, 76884), (5031, 75692), (5364, 70993), (5461, 69732), (5811, 65532), (6407, 59436), (6604, 57663), (6708, 56769), (7748, 49149), (9906, 38442), (10062, 37846), (10922, 34866), (11622, 32766), (12814, 29718), (14859, 25628), (16383, 23244), (17433, 21844), (18923, 20124), (19221, 19812)]