320289650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5619

約数の個数: 48

約数和(自身を含む): 637488960

約数和(自身を除く): 317199310

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 2318, 3050, 5527, 5795, 11054, 11590, 27635, 28975, 55270, 57950, 105013, 138175, 210026, 276350, 337147, 525065, 674294, 1050130, 1685735, 2625325, 3371470, 5250650, 6405793, 8428675, 12811586, 16857350, 32028965, 64057930, 160144825, 320289650]

約数ペア:

[(1, 320289650), (2, 160144825), (5, 64057930), (10, 32028965), (19, 16857350), (25, 12811586), (38, 8428675), (50, 6405793), (61, 5250650), (95, 3371470), (122, 2625325), (190, 1685735), (305, 1050130), (475, 674294), (610, 525065), (950, 337147), (1159, 276350), (1525, 210026), (2318, 138175), (3050, 105013), (5527, 57950), (5795, 55270), (11054, 28975), (11590, 27635)]