156924940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 336853440

約数和(自身を除く): 179928500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 293, 305, 439, 586, 610, 878, 1172, 1220, 1465, 1756, 2195, 2930, 4390, 5860, 8780, 17873, 26779, 35746, 53558, 71492, 89365, 107116, 128627, 133895, 178730, 257254, 267790, 357460, 514508, 535580, 643135, 1286270, 2572540, 7846247, 15692494, 31384988, 39231235, 78462470, 156924940]

約数ペア:

[(1, 156924940), (2, 78462470), (4, 39231235), (5, 31384988), (10, 15692494), (20, 7846247), (61, 2572540), (122, 1286270), (244, 643135), (293, 535580), (305, 514508), (439, 357460), (586, 267790), (610, 257254), (878, 178730), (1172, 133895), (1220, 128627), (1465, 107116), (1756, 89365), (2195, 71492), (2930, 53558), (4390, 35746), (5860, 26779), (8780, 17873)]