278737100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 646552368

約数和(自身を除く): 367815268

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 113, 170, 226, 340, 425, 452, 565, 850, 1130, 1451, 1700, 1921, 2260, 2825, 2902, 3842, 5650, 5804, 7255, 7684, 9605, 11300, 14510, 19210, 24667, 29020, 36275, 38420, 48025, 49334, 72550, 96050, 98668, 123335, 145100, 163963, 192100, 246670, 327926, 493340, 616675, 655852, 819815, 1233350, 1639630, 2466700, 2787371, 3279260, 4099075, 5574742, 8198150, 11149484, 13936855, 16396300, 27873710, 55747420, 69684275, 139368550, 278737100]

約数ペア:

[(1, 278737100), (2, 139368550), (4, 69684275), (5, 55747420), (10, 27873710), (17, 16396300), (20, 13936855), (25, 11149484), (34, 8198150), (50, 5574742), (68, 4099075), (85, 3279260), (100, 2787371), (113, 2466700), (170, 1639630), (226, 1233350), (340, 819815), (425, 655852), (452, 616675), (565, 493340), (850, 327926), (1130, 246670), (1451, 192100), (1700, 163963), (1921, 145100), (2260, 123335), (2825, 98668), (2902, 96050), (3842, 72550), (5650, 49334), (5804, 48025), (7255, 38420), (7684, 36275), (9605, 29020), (11300, 24667), (14510, 19210)]