198950320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 492611328

約数和(自身を除く): 293661008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 241, 272, 340, 482, 607, 680, 964, 1205, 1214, 1360, 1928, 2410, 2428, 3035, 3856, 4097, 4820, 4856, 6070, 8194, 9640, 9712, 10319, 12140, 16388, 19280, 20485, 20638, 24280, 32776, 40970, 41276, 48560, 51595, 65552, 81940, 82552, 103190, 146287, 163880, 165104, 206380, 292574, 327760, 412760, 585148, 731435, 825520, 1170296, 1462870, 2340592, 2486879, 2925740, 4973758, 5851480, 9947516, 11702960, 12434395, 19895032, 24868790, 39790064, 49737580, 99475160, 198950320]

約数ペア:

[(1, 198950320), (2, 99475160), (4, 49737580), (5, 39790064), (8, 24868790), (10, 19895032), (16, 12434395), (17, 11702960), (20, 9947516), (34, 5851480), (40, 4973758), (68, 2925740), (80, 2486879), (85, 2340592), (136, 1462870), (170, 1170296), (241, 825520), (272, 731435), (340, 585148), (482, 412760), (607, 327760), (680, 292574), (964, 206380), (1205, 165104), (1214, 163880), (1360, 146287), (1928, 103190), (2410, 82552), (2428, 81940), (3035, 65552), (3856, 51595), (4097, 48560), (4820, 41276), (4856, 40970), (6070, 32776), (8194, 24280), (9640, 20638), (9712, 20485), (10319, 19280), (12140, 16388)]