1777490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 3820824

約数和(自身を除く): 2043334

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 113, 121, 130, 143, 226, 242, 286, 565, 605, 715, 1130, 1210, 1243, 1430, 1469, 1573, 2486, 2938, 3146, 6215, 7345, 7865, 12430, 13673, 14690, 15730, 16159, 27346, 32318, 68365, 80795, 136730, 161590, 177749, 355498, 888745, 1777490]

約数ペア:

[(1, 1777490), (2, 888745), (5, 355498), (10, 177749), (11, 161590), (13, 136730), (22, 80795), (26, 68365), (55, 32318), (65, 27346), (110, 16159), (113, 15730), (121, 14690), (130, 13673), (143, 12430), (226, 7865), (242, 7345), (286, 6215), (565, 3146), (605, 2938), (715, 2486), (1130, 1573), (1210, 1469), (1243, 1430)]