388762440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{947}}^1$

素因数の和:1283

約数の個数: 128

約数和(自身を含む): 1277752320

約数和(自身を除く): 888989880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 311, 330, 440, 622, 660, 933, 947, 1244, 1320, 1555, 1866, 1894, 2488, 2841, 3110, 3421, 3732, 3788, 4665, 4735, 5682, 6220, 6842, 7464, 7576, 9330, 9470, 10263, 10417, 11364, 12440, 13684, 14205, 17105, 18660, 18940, 20526, 20834, 22728, 27368, 28410, 31251, 34210, 37320, 37880, 41052, 41668, 51315, 52085, 56820, 62502, 68420, 82104, 83336, 102630, 104170, 113640, 125004, 136840, 156255, 205260, 208340, 250008, 294517, 312510, 410520, 416680, 589034, 625020, 883551, 1178068, 1250040, 1472585, 1767102, 2356136, 2945170, 3239687, 3534204, 4417755, 5890340, 6479374, 7068408, 8835510, 9719061, 11780680, 12958748, 16198435, 17671020, 19438122, 25917496, 32396870, 35342040, 38876244, 48595305, 64793740, 77752488, 97190610, 129587480, 194381220, 388762440]

約数ペア:

[(1, 388762440), (2, 194381220), (3, 129587480), (4, 97190610), (5, 77752488), (6, 64793740), (8, 48595305), (10, 38876244), (11, 35342040), (12, 32396870), (15, 25917496), (20, 19438122), (22, 17671020), (24, 16198435), (30, 12958748), (33, 11780680), (40, 9719061), (44, 8835510), (55, 7068408), (60, 6479374), (66, 5890340), (88, 4417755), (110, 3534204), (120, 3239687), (132, 2945170), (165, 2356136), (220, 1767102), (264, 1472585), (311, 1250040), (330, 1178068), (440, 883551), (622, 625020), (660, 589034), (933, 416680), (947, 410520), (1244, 312510), (1320, 294517), (1555, 250008), (1866, 208340), (1894, 205260), (2488, 156255), (2841, 136840), (3110, 125004), (3421, 113640), (3732, 104170), (3788, 102630), (4665, 83336), (4735, 82104), (5682, 68420), (6220, 62502), (6842, 56820), (7464, 52085), (7576, 51315), (9330, 41668), (9470, 41052), (10263, 37880), (10417, 37320), (11364, 34210), (12440, 31251), (13684, 28410), (14205, 27368), (17105, 22728), (18660, 20834), (18940, 20526)]