74421140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 159343632

約数和(自身を除く): 84922492

約数列:

[1, 2, 4, 5, 10, 20, 137, 157, 173, 274, 314, 346, 548, 628, 685, 692, 785, 865, 1370, 1570, 1730, 2740, 3140, 3460, 21509, 23701, 27161, 43018, 47402, 54322, 86036, 94804, 107545, 108644, 118505, 135805, 215090, 237010, 271610, 430180, 474020, 543220, 3721057, 7442114, 14884228, 18605285, 37210570, 74421140]

約数ペア:

[(1, 74421140), (2, 37210570), (4, 18605285), (5, 14884228), (10, 7442114), (20, 3721057), (137, 543220), (157, 474020), (173, 430180), (274, 271610), (314, 237010), (346, 215090), (548, 135805), (628, 118505), (685, 108644), (692, 107545), (785, 94804), (865, 86036), (1370, 54322), (1570, 47402), (1730, 43018), (2740, 27161), (3140, 23701), (3460, 21509)]