400694760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 192

約数和(自身を含む): 1389707280

約数和(自身を除く): 989012520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 233, 255, 281, 306, 340, 360, 408, 466, 510, 562, 612, 680, 699, 765, 843, 932, 1020, 1124, 1165, 1224, 1398, 1405, 1530, 1686, 1864, 2040, 2097, 2248, 2330, 2529, 2796, 2810, 3060, 3372, 3495, 3961, 4194, 4215, 4660, 4777, 5058, 5592, 5620, 6120, 6744, 6990, 7922, 8388, 8430, 9320, 9554, 10116, 10485, 11240, 11883, 12645, 13980, 14331, 15844, 16776, 16860, 19108, 19805, 20232, 20970, 23766, 23885, 25290, 27960, 28662, 31688, 33720, 35649, 38216, 39610, 41940, 42993, 47532, 47770, 50580, 57324, 59415, 65473, 71298, 71655, 79220, 83880, 85986, 95064, 95540, 101160, 114648, 118830, 130946, 142596, 143310, 158440, 171972, 178245, 191080, 196419, 214965, 237660, 261892, 285192, 286620, 327365, 343944, 356490, 392838, 429930, 475320, 523784, 573240, 589257, 654730, 712980, 785676, 859860, 982095, 1113041, 1178514, 1309460, 1425960, 1571352, 1719720, 1964190, 2226082, 2357028, 2618920, 2946285, 3339123, 3928380, 4452164, 4714056, 5565205, 5892570, 6678246, 7856760, 8904328, 10017369, 11130410, 11785140, 13356492, 16695615, 20034738, 22260820, 23570280, 26712984, 33391230, 40069476, 44521640, 50086845, 66782460, 80138952, 100173690, 133564920, 200347380, 400694760]

約数ペア:

[(1, 400694760), (2, 200347380), (3, 133564920), (4, 100173690), (5, 80138952), (6, 66782460), (8, 50086845), (9, 44521640), (10, 40069476), (12, 33391230), (15, 26712984), (17, 23570280), (18, 22260820), (20, 20034738), (24, 16695615), (30, 13356492), (34, 11785140), (36, 11130410), (40, 10017369), (45, 8904328), (51, 7856760), (60, 6678246), (68, 5892570), (72, 5565205), (85, 4714056), (90, 4452164), (102, 3928380), (120, 3339123), (136, 2946285), (153, 2618920), (170, 2357028), (180, 2226082), (204, 1964190), (233, 1719720), (255, 1571352), (281, 1425960), (306, 1309460), (340, 1178514), (360, 1113041), (408, 982095), (466, 859860), (510, 785676), (562, 712980), (612, 654730), (680, 589257), (699, 573240), (765, 523784), (843, 475320), (932, 429930), (1020, 392838), (1124, 356490), (1165, 343944), (1224, 327365), (1398, 286620), (1405, 285192), (1530, 261892), (1686, 237660), (1864, 214965), (2040, 196419), (2097, 191080), (2248, 178245), (2330, 171972), (2529, 158440), (2796, 143310), (2810, 142596), (3060, 130946), (3372, 118830), (3495, 114648), (3961, 101160), (4194, 95540), (4215, 95064), (4660, 85986), (4777, 83880), (5058, 79220), (5592, 71655), (5620, 71298), (6120, 65473), (6744, 59415), (6990, 57324), (7922, 50580), (8388, 47770), (8430, 47532), (9320, 42993), (9554, 41940), (10116, 39610), (10485, 38216), (11240, 35649), (11883, 33720), (12645, 31688), (13980, 28662), (14331, 27960), (15844, 25290), (16776, 23885), (16860, 23766), (19108, 20970), (19805, 20232)]