157037500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 364195440

約数和(自身を除く): 207157940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 739, 850, 1250, 1478, 1700, 2125, 2500, 2956, 3125, 3695, 4250, 6250, 7390, 8500, 10625, 12500, 12563, 14780, 18475, 21250, 25126, 36950, 42500, 50252, 53125, 62815, 73900, 92375, 106250, 125630, 184750, 212500, 251260, 314075, 369500, 461875, 628150, 923750, 1256300, 1570375, 1847500, 2309375, 3140750, 4618750, 6281500, 7851875, 9237500, 15703750, 31407500, 39259375, 78518750, 157037500]

約数ペア:

[(1, 157037500), (2, 78518750), (4, 39259375), (5, 31407500), (10, 15703750), (17, 9237500), (20, 7851875), (25, 6281500), (34, 4618750), (50, 3140750), (68, 2309375), (85, 1847500), (100, 1570375), (125, 1256300), (170, 923750), (250, 628150), (340, 461875), (425, 369500), (500, 314075), (625, 251260), (739, 212500), (850, 184750), (1250, 125630), (1478, 106250), (1700, 92375), (2125, 73900), (2500, 62815), (2956, 53125), (3125, 50252), (3695, 42500), (4250, 36950), (6250, 25126), (7390, 21250), (8500, 18475), (10625, 14780), (12500, 12563)]