317887860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{278849}}^1$

素因数の和:278880

約数の個数: 48

約数和(自身を含む): 936936000

約数和(自身を除く): 619048140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 278849, 557698, 836547, 1115396, 1394245, 1673094, 2788490, 3346188, 4182735, 5298131, 5576980, 8365470, 10596262, 15894393, 16730940, 21192524, 26490655, 31788786, 52981310, 63577572, 79471965, 105962620, 158943930, 317887860]

約数ペア:

[(1, 317887860), (2, 158943930), (3, 105962620), (4, 79471965), (5, 63577572), (6, 52981310), (10, 31788786), (12, 26490655), (15, 21192524), (19, 16730940), (20, 15894393), (30, 10596262), (38, 8365470), (57, 5576980), (60, 5298131), (76, 4182735), (95, 3346188), (114, 2788490), (190, 1673094), (228, 1394245), (285, 1115396), (380, 836547), (570, 557698), (1140, 278849)]