289962344

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 401237656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 59, 62, 76, 118, 124, 133, 149, 152, 217, 236, 248, 266, 298, 413, 434, 472, 532, 589, 596, 826, 868, 1043, 1064, 1121, 1178, 1192, 1652, 1736, 1829, 2086, 2242, 2356, 2831, 3304, 3658, 4123, 4172, 4484, 4619, 4712, 5662, 7316, 7847, 8246, 8344, 8791, 8968, 9238, 11324, 12803, 14632, 15694, 16492, 17582, 18476, 19817, 22648, 25606, 31388, 32333, 32984, 34751, 35164, 36952, 39634, 51212, 61537, 62776, 64666, 69502, 70328, 79268, 87761, 102424, 123074, 129332, 139004, 158536, 167029, 175522, 243257, 246148, 258664, 272521, 278008, 334058, 351044, 486514, 492296, 545042, 614327, 668116, 702088, 973028, 1090084, 1169203, 1228654, 1336232, 1907647, 1946056, 2180168, 2338406, 2457308, 3815294, 4676812, 4914616, 5177899, 7630588, 9353624, 10355798, 15261176, 20711596, 36245293, 41423192, 72490586, 144981172, 289962344]

約数ペア:

[(1, 289962344), (2, 144981172), (4, 72490586), (7, 41423192), (8, 36245293), (14, 20711596), (19, 15261176), (28, 10355798), (31, 9353624), (38, 7630588), (56, 5177899), (59, 4914616), (62, 4676812), (76, 3815294), (118, 2457308), (124, 2338406), (133, 2180168), (149, 1946056), (152, 1907647), (217, 1336232), (236, 1228654), (248, 1169203), (266, 1090084), (298, 973028), (413, 702088), (434, 668116), (472, 614327), (532, 545042), (589, 492296), (596, 486514), (826, 351044), (868, 334058), (1043, 278008), (1064, 272521), (1121, 258664), (1178, 246148), (1192, 243257), (1652, 175522), (1736, 167029), (1829, 158536), (2086, 139004), (2242, 129332), (2356, 123074), (2831, 102424), (3304, 87761), (3658, 79268), (4123, 70328), (4172, 69502), (4484, 64666), (4619, 62776), (4712, 61537), (5662, 51212), (7316, 39634), (7847, 36952), (8246, 35164), (8344, 34751), (8791, 32984), (8968, 32333), (9238, 31388), (11324, 25606), (12803, 22648), (14632, 19817), (15694, 18476), (16492, 17582)]