398192272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 886550400

約数和(自身を除く): 488358128

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 47, 58, 62, 76, 94, 116, 124, 152, 188, 232, 248, 304, 376, 464, 496, 551, 589, 752, 893, 899, 961, 1102, 1178, 1363, 1457, 1786, 1798, 1922, 2204, 2356, 2726, 2914, 3572, 3596, 3844, 4408, 4712, 5452, 5828, 7144, 7192, 7688, 8816, 9424, 10904, 11656, 14288, 14384, 15376, 17081, 18259, 21808, 23312, 25897, 27683, 27869, 34162, 36518, 42253, 45167, 51794, 55366, 55738, 68324, 73036, 84506, 90334, 103588, 110732, 111476, 136648, 146072, 169012, 180668, 207176, 221464, 222952, 273296, 292144, 338024, 361336, 414352, 442928, 445904, 529511, 676048, 722672, 802807, 858173, 1059022, 1309843, 1605614, 1716346, 2118044, 2619686, 3211228, 3432692, 4236088, 5239372, 6422456, 6865384, 8472176, 10478744, 12844912, 13730768, 20957488, 24887017, 49774034, 99548068, 199096136, 398192272]

約数ペア:

[(1, 398192272), (2, 199096136), (4, 99548068), (8, 49774034), (16, 24887017), (19, 20957488), (29, 13730768), (31, 12844912), (38, 10478744), (47, 8472176), (58, 6865384), (62, 6422456), (76, 5239372), (94, 4236088), (116, 3432692), (124, 3211228), (152, 2619686), (188, 2118044), (232, 1716346), (248, 1605614), (304, 1309843), (376, 1059022), (464, 858173), (496, 802807), (551, 722672), (589, 676048), (752, 529511), (893, 445904), (899, 442928), (961, 414352), (1102, 361336), (1178, 338024), (1363, 292144), (1457, 273296), (1786, 222952), (1798, 221464), (1922, 207176), (2204, 180668), (2356, 169012), (2726, 146072), (2914, 136648), (3572, 111476), (3596, 110732), (3844, 103588), (4408, 90334), (4712, 84506), (5452, 73036), (5828, 68324), (7144, 55738), (7192, 55366), (7688, 51794), (8816, 45167), (9424, 42253), (10904, 36518), (11656, 34162), (14288, 27869), (14384, 27683), (15376, 25897), (17081, 23312), (18259, 21808)]