400079700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 1348663680

約数和(自身を除く): 948583980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 79, 85, 90, 100, 102, 150, 153, 158, 170, 180, 204, 225, 237, 255, 300, 306, 316, 331, 340, 395, 425, 450, 474, 510, 612, 662, 711, 765, 790, 850, 900, 948, 993, 1020, 1185, 1275, 1324, 1343, 1422, 1530, 1580, 1655, 1700, 1975, 1986, 2370, 2550, 2686, 2844, 2979, 3060, 3310, 3555, 3825, 3950, 3972, 4029, 4740, 4965, 5100, 5372, 5627, 5925, 5958, 6620, 6715, 7110, 7650, 7900, 8058, 8275, 9930, 11254, 11850, 11916, 12087, 13430, 14220, 14895, 15300, 16116, 16550, 16881, 17775, 19860, 20145, 22508, 23700, 24174, 24825, 26149, 26860, 28135, 29790, 33100, 33575, 33762, 35550, 40290, 48348, 49650, 50643, 52298, 56270, 59580, 60435, 67150, 67524, 71100, 74475, 78447, 80580, 84405, 99300, 100725, 101286, 104596, 112540, 120870, 130745, 134300, 140675, 148950, 156894, 168810, 201450, 202572, 235341, 241740, 253215, 261490, 281350, 297900, 302175, 313788, 337620, 392235, 402900, 422025, 444533, 470682, 506430, 522980, 562700, 604350, 653725, 784470, 844050, 889066, 941364, 1012860, 1176705, 1208700, 1266075, 1307450, 1333599, 1568940, 1688100, 1778132, 1961175, 2222665, 2353410, 2532150, 2614900, 2667198, 3922350, 4000797, 4445330, 4706820, 5064300, 5334396, 5883525, 6667995, 7844700, 8001594, 8890660, 11113325, 11767050, 13335990, 16003188, 20003985, 22226650, 23534100, 26671980, 33339975, 40007970, 44453300, 66679950, 80015940, 100019925, 133359900, 200039850, 400079700]

約数ペア:

[(1, 400079700), (2, 200039850), (3, 133359900), (4, 100019925), (5, 80015940), (6, 66679950), (9, 44453300), (10, 40007970), (12, 33339975), (15, 26671980), (17, 23534100), (18, 22226650), (20, 20003985), (25, 16003188), (30, 13335990), (34, 11767050), (36, 11113325), (45, 8890660), (50, 8001594), (51, 7844700), (60, 6667995), (68, 5883525), (75, 5334396), (79, 5064300), (85, 4706820), (90, 4445330), (100, 4000797), (102, 3922350), (150, 2667198), (153, 2614900), (158, 2532150), (170, 2353410), (180, 2222665), (204, 1961175), (225, 1778132), (237, 1688100), (255, 1568940), (300, 1333599), (306, 1307450), (316, 1266075), (331, 1208700), (340, 1176705), (395, 1012860), (425, 941364), (450, 889066), (474, 844050), (510, 784470), (612, 653725), (662, 604350), (711, 562700), (765, 522980), (790, 506430), (850, 470682), (900, 444533), (948, 422025), (993, 402900), (1020, 392235), (1185, 337620), (1275, 313788), (1324, 302175), (1343, 297900), (1422, 281350), (1530, 261490), (1580, 253215), (1655, 241740), (1700, 235341), (1975, 202572), (1986, 201450), (2370, 168810), (2550, 156894), (2686, 148950), (2844, 140675), (2979, 134300), (3060, 130745), (3310, 120870), (3555, 112540), (3825, 104596), (3950, 101286), (3972, 100725), (4029, 99300), (4740, 84405), (4965, 80580), (5100, 78447), (5372, 74475), (5627, 71100), (5925, 67524), (5958, 67150), (6620, 60435), (6715, 59580), (7110, 56270), (7650, 52298), (7900, 50643), (8058, 49650), (8275, 48348), (9930, 40290), (11254, 35550), (11850, 33762), (11916, 33575), (12087, 33100), (13430, 29790), (14220, 28135), (14895, 26860), (15300, 26149), (16116, 24825), (16550, 24174), (16881, 23700), (17775, 22508), (19860, 20145)]