7727860

素因数分解:

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

素因数の和:241

約数の個数: 72

約数和(自身を含む): 19805184

約数和(自身を除く): 12077324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 191, 238, 289, 340, 382, 476, 578, 595, 764, 955, 1156, 1190, 1337, 1445, 1910, 2023, 2380, 2674, 2890, 3247, 3820, 4046, 5348, 5780, 6494, 6685, 8092, 10115, 12988, 13370, 16235, 20230, 22729, 26740, 32470, 40460, 45458, 55199, 64940, 90916, 110398, 113645, 220796, 227290, 275995, 386393, 454580, 551990, 772786, 1103980, 1545572, 1931965, 3863930, 7727860]

約数ペア:

[(1, 7727860), (2, 3863930), (4, 1931965), (5, 1545572), (7, 1103980), (10, 772786), (14, 551990), (17, 454580), (20, 386393), (28, 275995), (34, 227290), (35, 220796), (68, 113645), (70, 110398), (85, 90916), (119, 64940), (140, 55199), (170, 45458), (191, 40460), (238, 32470), (289, 26740), (340, 22729), (382, 20230), (476, 16235), (578, 13370), (595, 12988), (764, 10115), (955, 8092), (1156, 6685), (1190, 6494), (1337, 5780), (1445, 5348), (1910, 4046), (2023, 3820), (2380, 3247), (2674, 2890)]