238777790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 439284384

約数和(自身を除く): 200506594

約数列:

[1, 2, 5, 10, 61, 122, 197, 305, 394, 610, 985, 1970, 1987, 3974, 9935, 12017, 19870, 24034, 60085, 120170, 121207, 242414, 391439, 606035, 782878, 1212070, 1957195, 3914390, 23877779, 47755558, 119388895, 238777790]

約数ペア:

[(1, 238777790), (2, 119388895), (5, 47755558), (10, 23877779), (61, 3914390), (122, 1957195), (197, 1212070), (305, 782878), (394, 606035), (610, 391439), (985, 242414), (1970, 121207), (1987, 120170), (3974, 60085), (9935, 24034), (12017, 19870)]