328773380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{3989}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 746066160

約数和(自身を除く): 417292780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 3989, 4121, 6340, 7978, 8242, 15956, 16484, 19945, 20605, 39890, 41210, 51857, 79780, 82420, 103714, 207428, 259285, 518570, 1037140, 1264513, 2529026, 5058052, 6322565, 12645130, 16438669, 25290260, 32877338, 65754676, 82193345, 164386690, 328773380]

約数ペア:

[(1, 328773380), (2, 164386690), (4, 82193345), (5, 65754676), (10, 32877338), (13, 25290260), (20, 16438669), (26, 12645130), (52, 6322565), (65, 5058052), (130, 2529026), (260, 1264513), (317, 1037140), (634, 518570), (1268, 259285), (1585, 207428), (3170, 103714), (3989, 82420), (4121, 79780), (6340, 51857), (7978, 41210), (8242, 39890), (15956, 20605), (16484, 19945)]