99114640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 244537920

約数和(自身を除く): 145423280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 304, 331, 380, 394, 662, 760, 788, 985, 1324, 1520, 1576, 1655, 1970, 2648, 3152, 3310, 3743, 3940, 5296, 6289, 6620, 7486, 7880, 12578, 13240, 14972, 15760, 18715, 25156, 26480, 29944, 31445, 37430, 50312, 59888, 62890, 65207, 74860, 100624, 125780, 130414, 149720, 251560, 260828, 299440, 326035, 503120, 521656, 652070, 1043312, 1238933, 1304140, 2477866, 2608280, 4955732, 5216560, 6194665, 9911464, 12389330, 19822928, 24778660, 49557320, 99114640]

約数ペア:

[(1, 99114640), (2, 49557320), (4, 24778660), (5, 19822928), (8, 12389330), (10, 9911464), (16, 6194665), (19, 5216560), (20, 4955732), (38, 2608280), (40, 2477866), (76, 1304140), (80, 1238933), (95, 1043312), (152, 652070), (190, 521656), (197, 503120), (304, 326035), (331, 299440), (380, 260828), (394, 251560), (662, 149720), (760, 130414), (788, 125780), (985, 100624), (1324, 74860), (1520, 65207), (1576, 62890), (1655, 59888), (1970, 50312), (2648, 37430), (3152, 31445), (3310, 29944), (3743, 26480), (3940, 25156), (5296, 18715), (6289, 15760), (6620, 14972), (7486, 13240), (7880, 12578)]