206887960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 321880040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 67, 68, 76, 85, 95, 134, 136, 152, 170, 190, 239, 268, 323, 335, 340, 380, 478, 536, 646, 670, 680, 760, 956, 1139, 1195, 1273, 1292, 1340, 1615, 1912, 2278, 2390, 2546, 2584, 2680, 3230, 4063, 4541, 4556, 4780, 5092, 5695, 6365, 6460, 8126, 9082, 9112, 9560, 10184, 11390, 12730, 12920, 16013, 16252, 18164, 20315, 21641, 22705, 22780, 25460, 32026, 32504, 36328, 40630, 43282, 45410, 45560, 50920, 64052, 77197, 80065, 81260, 86564, 90820, 108205, 128104, 154394, 160130, 162520, 173128, 181640, 216410, 272221, 304247, 308788, 320260, 385985, 432820, 544442, 608494, 617576, 640520, 771970, 865640, 1088884, 1216988, 1361105, 1521235, 1543940, 2177768, 2433976, 2722210, 3042470, 3087880, 5172199, 5444420, 6084940, 10344398, 10888840, 12169880, 20688796, 25860995, 41377592, 51721990, 103443980, 206887960]

約数ペア:

[(1, 206887960), (2, 103443980), (4, 51721990), (5, 41377592), (8, 25860995), (10, 20688796), (17, 12169880), (19, 10888840), (20, 10344398), (34, 6084940), (38, 5444420), (40, 5172199), (67, 3087880), (68, 3042470), (76, 2722210), (85, 2433976), (95, 2177768), (134, 1543940), (136, 1521235), (152, 1361105), (170, 1216988), (190, 1088884), (239, 865640), (268, 771970), (323, 640520), (335, 617576), (340, 608494), (380, 544442), (478, 432820), (536, 385985), (646, 320260), (670, 308788), (680, 304247), (760, 272221), (956, 216410), (1139, 181640), (1195, 173128), (1273, 162520), (1292, 160130), (1340, 154394), (1615, 128104), (1912, 108205), (2278, 90820), (2390, 86564), (2546, 81260), (2584, 80065), (2680, 77197), (3230, 64052), (4063, 50920), (4541, 45560), (4556, 45410), (4780, 43282), (5092, 40630), (5695, 36328), (6365, 32504), (6460, 32026), (8126, 25460), (9082, 22780), (9112, 22705), (9560, 21641), (10184, 20315), (11390, 18164), (12730, 16252), (12920, 16013)]