490650444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 1348401600

約数和(自身を除く): 857751156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 97, 123, 138, 149, 164, 194, 207, 246, 276, 291, 298, 369, 388, 414, 447, 492, 582, 596, 738, 828, 873, 894, 943, 1164, 1341, 1476, 1746, 1788, 1886, 2231, 2682, 2829, 3427, 3492, 3772, 3977, 4462, 5364, 5658, 6109, 6693, 6854, 7954, 8487, 8924, 10281, 11316, 11931, 12218, 13386, 13708, 14453, 15908, 16974, 18327, 20079, 20562, 23862, 24436, 26772, 28906, 30843, 33948, 35793, 36654, 40158, 41124, 43359, 47724, 54981, 57812, 61686, 71586, 73308, 80316, 86718, 91471, 109962, 123372, 130077, 140507, 143172, 173436, 182942, 219924, 260154, 274413, 281014, 332419, 365884, 421521, 520308, 548826, 562028, 592573, 664838, 823239, 843042, 997257, 1097652, 1185146, 1264563, 1329676, 1646478, 1686084, 1777719, 1994514, 2370292, 2529126, 2991771, 3292956, 3555438, 3989028, 5058252, 5333157, 5983542, 7110876, 10666314, 11967084, 13629179, 21332628, 27258358, 40887537, 54516716, 81775074, 122662611, 163550148, 245325222, 490650444]

約数ペア:

[(1, 490650444), (2, 245325222), (3, 163550148), (4, 122662611), (6, 81775074), (9, 54516716), (12, 40887537), (18, 27258358), (23, 21332628), (36, 13629179), (41, 11967084), (46, 10666314), (69, 7110876), (82, 5983542), (92, 5333157), (97, 5058252), (123, 3989028), (138, 3555438), (149, 3292956), (164, 2991771), (194, 2529126), (207, 2370292), (246, 1994514), (276, 1777719), (291, 1686084), (298, 1646478), (369, 1329676), (388, 1264563), (414, 1185146), (447, 1097652), (492, 997257), (582, 843042), (596, 823239), (738, 664838), (828, 592573), (873, 562028), (894, 548826), (943, 520308), (1164, 421521), (1341, 365884), (1476, 332419), (1746, 281014), (1788, 274413), (1886, 260154), (2231, 219924), (2682, 182942), (2829, 173436), (3427, 143172), (3492, 140507), (3772, 130077), (3977, 123372), (4462, 109962), (5364, 91471), (5658, 86718), (6109, 80316), (6693, 73308), (6854, 71586), (7954, 61686), (8487, 57812), (8924, 54981), (10281, 47724), (11316, 43359), (11931, 41124), (12218, 40158), (13386, 36654), (13708, 35793), (14453, 33948), (15908, 30843), (16974, 28906), (18327, 26772), (20079, 24436), (20562, 23862)]