28851860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 62920704

約数和(自身を除く): 34068844

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 307, 370, 508, 614, 635, 740, 1228, 1270, 1535, 2540, 3070, 4699, 6140, 9398, 11359, 18796, 22718, 23495, 38989, 45436, 46990, 56795, 77978, 93980, 113590, 155956, 194945, 227180, 389890, 779780, 1442593, 2885186, 5770372, 7212965, 14425930, 28851860]

約数ペア:

[(1, 28851860), (2, 14425930), (4, 7212965), (5, 5770372), (10, 2885186), (20, 1442593), (37, 779780), (74, 389890), (127, 227180), (148, 194945), (185, 155956), (254, 113590), (307, 93980), (370, 77978), (508, 56795), (614, 46990), (635, 45436), (740, 38989), (1228, 23495), (1270, 22718), (1535, 18796), (2540, 11359), (3070, 9398), (4699, 6140)]