420666688

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 168

約数和(自身を含む): 1004011200

約数和(自身を除く): 583344512

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 76, 89, 92, 104, 152, 169, 178, 184, 208, 247, 299, 304, 338, 356, 368, 416, 437, 494, 598, 608, 676, 712, 736, 832, 874, 988, 1157, 1196, 1216, 1352, 1424, 1472, 1691, 1748, 1976, 2047, 2314, 2392, 2704, 2848, 3211, 3382, 3496, 3887, 3952, 4094, 4628, 4784, 5408, 5681, 5696, 6422, 6764, 6992, 7774, 7904, 8188, 9256, 9568, 10816, 11362, 12844, 13528, 13984, 15041, 15548, 15808, 16376, 18512, 19136, 21983, 22724, 25688, 26611, 27056, 27968, 30082, 31096, 32752, 37024, 38893, 43966, 45448, 51376, 53222, 54112, 60164, 62192, 65504, 73853, 74048, 77786, 87932, 90896, 102752, 106444, 108224, 120328, 124384, 131008, 147706, 155572, 175864, 181792, 205504, 212888, 240656, 248768, 285779, 295412, 311144, 345943, 351728, 363584, 425776, 481312, 505609, 571558, 590824, 622288, 691886, 703456, 851552, 962624, 1011218, 1143116, 1181648, 1244576, 1383772, 1406912, 1703104, 2022436, 2286232, 2363296, 2489152, 2767544, 4044872, 4572464, 4726592, 5535088, 6572917, 8089744, 9144928, 11070176, 13145834, 16179488, 18289856, 22140352, 26291668, 32358976, 52583336, 105166672, 210333344, 420666688]

約数ペア:

[(1, 420666688), (2, 210333344), (4, 105166672), (8, 52583336), (13, 32358976), (16, 26291668), (19, 22140352), (23, 18289856), (26, 16179488), (32, 13145834), (38, 11070176), (46, 9144928), (52, 8089744), (64, 6572917), (76, 5535088), (89, 4726592), (92, 4572464), (104, 4044872), (152, 2767544), (169, 2489152), (178, 2363296), (184, 2286232), (208, 2022436), (247, 1703104), (299, 1406912), (304, 1383772), (338, 1244576), (356, 1181648), (368, 1143116), (416, 1011218), (437, 962624), (494, 851552), (598, 703456), (608, 691886), (676, 622288), (712, 590824), (736, 571558), (832, 505609), (874, 481312), (988, 425776), (1157, 363584), (1196, 351728), (1216, 345943), (1352, 311144), (1424, 295412), (1472, 285779), (1691, 248768), (1748, 240656), (1976, 212888), (2047, 205504), (2314, 181792), (2392, 175864), (2704, 155572), (2848, 147706), (3211, 131008), (3382, 124384), (3496, 120328), (3887, 108224), (3952, 106444), (4094, 102752), (4628, 90896), (4784, 87932), (5408, 77786), (5681, 74048), (5696, 73853), (6422, 65504), (6764, 62192), (6992, 60164), (7774, 54112), (7904, 53222), (8188, 51376), (9256, 45448), (9568, 43966), (10816, 38893), (11362, 37024), (12844, 32752), (13528, 31096), (13984, 30082), (15041, 27968), (15548, 27056), (15808, 26611), (16376, 25688), (18512, 22724), (19136, 21983)]