681136700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9689}}^1$

素因数の和:9759

約数の個数: 72

約数和(自身を含む): 1598074800

約数和(自身を除く): 916938100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 925, 950, 1406, 1850, 1900, 2812, 3515, 3700, 7030, 9689, 14060, 17575, 19378, 35150, 38756, 48445, 70300, 96890, 184091, 193780, 242225, 358493, 368182, 484450, 716986, 736364, 920455, 968900, 1433972, 1792465, 1840910, 3584930, 3681820, 4602275, 6811367, 7169860, 8962325, 9204550, 13622734, 17924650, 18409100, 27245468, 34056835, 35849300, 68113670, 136227340, 170284175, 340568350, 681136700]

約数ペア:

[(1, 681136700), (2, 340568350), (4, 170284175), (5, 136227340), (10, 68113670), (19, 35849300), (20, 34056835), (25, 27245468), (37, 18409100), (38, 17924650), (50, 13622734), (74, 9204550), (76, 8962325), (95, 7169860), (100, 6811367), (148, 4602275), (185, 3681820), (190, 3584930), (370, 1840910), (380, 1792465), (475, 1433972), (703, 968900), (740, 920455), (925, 736364), (950, 716986), (1406, 484450), (1850, 368182), (1900, 358493), (2812, 242225), (3515, 193780), (3700, 184091), (7030, 96890), (9689, 70300), (14060, 48445), (17575, 38756), (19378, 35150)]