1620190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 3485664

約数和(自身を除く): 1865474

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 103, 110, 121, 130, 143, 206, 242, 286, 515, 605, 715, 1030, 1133, 1210, 1339, 1430, 1573, 2266, 2678, 3146, 5665, 6695, 7865, 11330, 12463, 13390, 14729, 15730, 24926, 29458, 62315, 73645, 124630, 147290, 162019, 324038, 810095, 1620190]

約数ペア:

[(1, 1620190), (2, 810095), (5, 324038), (10, 162019), (11, 147290), (13, 124630), (22, 73645), (26, 62315), (55, 29458), (65, 24926), (103, 15730), (110, 14729), (121, 13390), (130, 12463), (143, 11330), (206, 7865), (242, 6695), (286, 5665), (515, 3146), (605, 2678), (715, 2266), (1030, 1573), (1133, 1430), (1210, 1339)]