1218974620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1\times {\mathrm{2131}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 2633668128

約数和(自身を除く): 1414693508

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 773, 1546, 2131, 3092, 3865, 4262, 7730, 8524, 10655, 15460, 21310, 28601, 42620, 57202, 78847, 114404, 143005, 157694, 286010, 315388, 394235, 572020, 788470, 1576940, 1647263, 3294526, 6589052, 8236315, 16472630, 32945260, 60948731, 121897462, 243794924, 304743655, 609487310, 1218974620]

約数ペア:

[(1, 1218974620), (2, 609487310), (4, 304743655), (5, 243794924), (10, 121897462), (20, 60948731), (37, 32945260), (74, 16472630), (148, 8236315), (185, 6589052), (370, 3294526), (740, 1647263), (773, 1576940), (1546, 788470), (2131, 572020), (3092, 394235), (3865, 315388), (4262, 286010), (7730, 157694), (8524, 143005), (10655, 114404), (15460, 78847), (21310, 57202), (28601, 42620)]