242457320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 643507200

約数和(自身を除く): 401049880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 97, 113, 140, 158, 194, 226, 280, 316, 388, 395, 452, 485, 553, 565, 632, 679, 776, 790, 791, 904, 970, 1106, 1130, 1358, 1580, 1582, 1940, 2212, 2260, 2716, 2765, 3160, 3164, 3395, 3880, 3955, 4424, 4520, 5432, 5530, 6328, 6790, 7663, 7910, 8927, 10961, 11060, 13580, 15326, 15820, 17854, 21922, 22120, 27160, 30652, 31640, 35708, 38315, 43844, 44635, 53641, 54805, 61304, 62489, 71416, 76630, 76727, 87688, 89270, 107282, 109610, 124978, 153260, 153454, 178540, 214564, 219220, 249956, 268205, 306520, 306908, 312445, 357080, 383635, 429128, 438440, 499912, 536410, 613816, 624890, 767270, 865919, 1072820, 1249780, 1534540, 1731838, 2145640, 2499560, 3069080, 3463676, 4329595, 6061433, 6927352, 8659190, 12122866, 17318380, 24245732, 30307165, 34636760, 48491464, 60614330, 121228660, 242457320]

約数ペア:

[(1, 242457320), (2, 121228660), (4, 60614330), (5, 48491464), (7, 34636760), (8, 30307165), (10, 24245732), (14, 17318380), (20, 12122866), (28, 8659190), (35, 6927352), (40, 6061433), (56, 4329595), (70, 3463676), (79, 3069080), (97, 2499560), (113, 2145640), (140, 1731838), (158, 1534540), (194, 1249780), (226, 1072820), (280, 865919), (316, 767270), (388, 624890), (395, 613816), (452, 536410), (485, 499912), (553, 438440), (565, 429128), (632, 383635), (679, 357080), (776, 312445), (790, 306908), (791, 306520), (904, 268205), (970, 249956), (1106, 219220), (1130, 214564), (1358, 178540), (1580, 153454), (1582, 153260), (1940, 124978), (2212, 109610), (2260, 107282), (2716, 89270), (2765, 87688), (3160, 76727), (3164, 76630), (3395, 71416), (3880, 62489), (3955, 61304), (4424, 54805), (4520, 53641), (5432, 44635), (5530, 43844), (6328, 38315), (6790, 35708), (7663, 31640), (7910, 30652), (8927, 27160), (10961, 22120), (11060, 21922), (13580, 17854), (15326, 15820)]