388204520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{51899}}^1$

素因数の和:51938

約数の個数: 64

約数和(自身を含む): 1008936000

約数和(自身を除く): 620731480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 51899, 103798, 207596, 259495, 415192, 518990, 570889, 882283, 1037980, 1141778, 1764566, 2075960, 2283556, 2854445, 3529132, 4411415, 4567112, 5708890, 7058264, 8822830, 9705113, 11417780, 17645660, 19410226, 22835560, 35291320, 38820452, 48525565, 77640904, 97051130, 194102260, 388204520]

約数ペア:

[(1, 388204520), (2, 194102260), (4, 97051130), (5, 77640904), (8, 48525565), (10, 38820452), (11, 35291320), (17, 22835560), (20, 19410226), (22, 17645660), (34, 11417780), (40, 9705113), (44, 8822830), (55, 7058264), (68, 5708890), (85, 4567112), (88, 4411415), (110, 3529132), (136, 2854445), (170, 2283556), (187, 2075960), (220, 1764566), (340, 1141778), (374, 1037980), (440, 882283), (680, 570889), (748, 518990), (935, 415192), (1496, 259495), (1870, 207596), (3740, 103798), (7480, 51899)]