490904778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 1322237952

約数和(自身を除く): 831333174

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 31, 39, 42, 46, 62, 69, 78, 91, 93, 97, 138, 161, 169, 182, 186, 194, 217, 273, 291, 299, 322, 338, 403, 434, 483, 507, 546, 582, 598, 651, 679, 713, 806, 897, 966, 1014, 1183, 1209, 1261, 1302, 1358, 1426, 1794, 2037, 2093, 2139, 2231, 2366, 2418, 2522, 2821, 3007, 3549, 3783, 3887, 4074, 4186, 4278, 4462, 4991, 5239, 5642, 6014, 6279, 6693, 7098, 7566, 7774, 8463, 8827, 9021, 9269, 9982, 10478, 11661, 12558, 13386, 14973, 15617, 15717, 16393, 16926, 17654, 18042, 18538, 21049, 23322, 26481, 27209, 27807, 29003, 29946, 31234, 31434, 32786, 36673, 39091, 42098, 46851, 49179, 52962, 54418, 55614, 58006, 63147, 64883, 69161, 73346, 78182, 81627, 87009, 93702, 98358, 110019, 114751, 117273, 120497, 126294, 129766, 138322, 163254, 174018, 194649, 203021, 207483, 220038, 229502, 234546, 240994, 273637, 344253, 361491, 377039, 389298, 406042, 414966, 484127, 508183, 547274, 609063, 688506, 722982, 754078, 820911, 843479, 899093, 968254, 1016366, 1131117, 1218126, 1452381, 1524549, 1641822, 1686958, 1798186, 2262234, 2530437, 2639273, 2697279, 2904762, 3049098, 3557281, 5060874, 5278546, 5394558, 6293651, 7114562, 7917819, 10671843, 11688209, 12587302, 15835638, 18880953, 21343686, 23376418, 35064627, 37761906, 70129254, 81817463, 163634926, 245452389, 490904778]

約数ペア:

[(1, 490904778), (2, 245452389), (3, 163634926), (6, 81817463), (7, 70129254), (13, 37761906), (14, 35064627), (21, 23376418), (23, 21343686), (26, 18880953), (31, 15835638), (39, 12587302), (42, 11688209), (46, 10671843), (62, 7917819), (69, 7114562), (78, 6293651), (91, 5394558), (93, 5278546), (97, 5060874), (138, 3557281), (161, 3049098), (169, 2904762), (182, 2697279), (186, 2639273), (194, 2530437), (217, 2262234), (273, 1798186), (291, 1686958), (299, 1641822), (322, 1524549), (338, 1452381), (403, 1218126), (434, 1131117), (483, 1016366), (507, 968254), (546, 899093), (582, 843479), (598, 820911), (651, 754078), (679, 722982), (713, 688506), (806, 609063), (897, 547274), (966, 508183), (1014, 484127), (1183, 414966), (1209, 406042), (1261, 389298), (1302, 377039), (1358, 361491), (1426, 344253), (1794, 273637), (2037, 240994), (2093, 234546), (2139, 229502), (2231, 220038), (2366, 207483), (2418, 203021), (2522, 194649), (2821, 174018), (3007, 163254), (3549, 138322), (3783, 129766), (3887, 126294), (4074, 120497), (4186, 117273), (4278, 114751), (4462, 110019), (4991, 98358), (5239, 93702), (5642, 87009), (6014, 81627), (6279, 78182), (6693, 73346), (7098, 69161), (7566, 64883), (7774, 63147), (8463, 58006), (8827, 55614), (9021, 54418), (9269, 52962), (9982, 49179), (10478, 46851), (11661, 42098), (12558, 39091), (13386, 36673), (14973, 32786), (15617, 31434), (15717, 31234), (16393, 29946), (16926, 29003), (17654, 27807), (18042, 27209), (18538, 26481), (21049, 23322)]