155538460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{100999}}^1$

素因数の和:101026

約数の個数: 48

約数和(自身を含む): 407232000

約数和(自身を除く): 251693540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 100999, 201998, 403996, 504995, 706993, 1009990, 1110989, 1413986, 2019980, 2221978, 2827972, 3534965, 4443956, 5554945, 7069930, 7776923, 11109890, 14139860, 15553846, 22219780, 31107692, 38884615, 77769230, 155538460]

約数ペア:

[(1, 155538460), (2, 77769230), (4, 38884615), (5, 31107692), (7, 22219780), (10, 15553846), (11, 14139860), (14, 11109890), (20, 7776923), (22, 7069930), (28, 5554945), (35, 4443956), (44, 3534965), (55, 2827972), (70, 2221978), (77, 2019980), (110, 1413986), (140, 1110989), (154, 1009990), (220, 706993), (308, 504995), (385, 403996), (770, 201998), (1540, 100999)]