285930820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 752596992

約数和(自身を除く): 466666172

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 68, 70, 74, 85, 119, 140, 148, 170, 185, 191, 238, 259, 289, 340, 370, 382, 476, 518, 578, 595, 629, 740, 764, 955, 1036, 1156, 1190, 1258, 1295, 1337, 1445, 1910, 2023, 2380, 2516, 2590, 2674, 2890, 3145, 3247, 3820, 4046, 4403, 5180, 5348, 5780, 6290, 6494, 6685, 7067, 8092, 8806, 10115, 10693, 12580, 12988, 13370, 14134, 16235, 17612, 20230, 21386, 22015, 22729, 26740, 28268, 32470, 35335, 40460, 42772, 44030, 45458, 49469, 53465, 55199, 64940, 70670, 74851, 88060, 90916, 98938, 106930, 110398, 113645, 120139, 141340, 149702, 197876, 213860, 220796, 227290, 240278, 247345, 275995, 299404, 374255, 386393, 454580, 480556, 494690, 551990, 600695, 748510, 772786, 840973, 989380, 1103980, 1201390, 1497020, 1545572, 1681946, 1931965, 2042363, 2402780, 3363892, 3863930, 4084726, 4204865, 7727860, 8169452, 8409730, 10211815, 14296541, 16819460, 20423630, 28593082, 40847260, 57186164, 71482705, 142965410, 285930820]

約数ペア:

[(1, 285930820), (2, 142965410), (4, 71482705), (5, 57186164), (7, 40847260), (10, 28593082), (14, 20423630), (17, 16819460), (20, 14296541), (28, 10211815), (34, 8409730), (35, 8169452), (37, 7727860), (68, 4204865), (70, 4084726), (74, 3863930), (85, 3363892), (119, 2402780), (140, 2042363), (148, 1931965), (170, 1681946), (185, 1545572), (191, 1497020), (238, 1201390), (259, 1103980), (289, 989380), (340, 840973), (370, 772786), (382, 748510), (476, 600695), (518, 551990), (578, 494690), (595, 480556), (629, 454580), (740, 386393), (764, 374255), (955, 299404), (1036, 275995), (1156, 247345), (1190, 240278), (1258, 227290), (1295, 220796), (1337, 213860), (1445, 197876), (1910, 149702), (2023, 141340), (2380, 120139), (2516, 113645), (2590, 110398), (2674, 106930), (2890, 98938), (3145, 90916), (3247, 88060), (3820, 74851), (4046, 70670), (4403, 64940), (5180, 55199), (5348, 53465), (5780, 49469), (6290, 45458), (6494, 44030), (6685, 42772), (7067, 40460), (8092, 35335), (8806, 32470), (10115, 28268), (10693, 26740), (12580, 22729), (12988, 22015), (13370, 21386), (14134, 20230), (16235, 17612)]