151787780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1787}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 331623936

約数和(自身を除く): 179836156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1370, 1787, 2740, 3574, 4247, 7148, 8494, 8935, 16988, 17870, 21235, 35740, 42470, 55397, 84940, 110794, 221588, 244819, 276985, 489638, 553970, 979276, 1107940, 1224095, 2448190, 4896380, 7589389, 15178778, 30357556, 37946945, 75893890, 151787780]

約数ペア:

[(1, 151787780), (2, 75893890), (4, 37946945), (5, 30357556), (10, 15178778), (20, 7589389), (31, 4896380), (62, 2448190), (124, 1224095), (137, 1107940), (155, 979276), (274, 553970), (310, 489638), (548, 276985), (620, 244819), (685, 221588), (1370, 110794), (1787, 84940), (2740, 55397), (3574, 42470), (4247, 35740), (7148, 21235), (8494, 17870), (8935, 16988)]