838498420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 1782285120

約数和(自身を除く): 943786700

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 563, 565, 659, 1126, 1130, 1318, 2252, 2260, 2636, 2815, 3295, 5630, 6590, 11260, 13180, 63619, 74467, 127238, 148934, 254476, 297868, 318095, 371017, 372335, 636190, 742034, 744670, 1272380, 1484068, 1489340, 1855085, 3710170, 7420340, 41924921, 83849842, 167699684, 209624605, 419249210, 838498420]

約数ペア:

[(1, 838498420), (2, 419249210), (4, 209624605), (5, 167699684), (10, 83849842), (20, 41924921), (113, 7420340), (226, 3710170), (452, 1855085), (563, 1489340), (565, 1484068), (659, 1272380), (1126, 744670), (1130, 742034), (1318, 636190), (2252, 372335), (2260, 371017), (2636, 318095), (2815, 297868), (3295, 254476), (5630, 148934), (6590, 127238), (11260, 74467), (13180, 63619)]