1719781880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 4199040000

約数和(自身を除く): 2479258120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 179, 199, 284, 340, 355, 358, 398, 568, 680, 710, 716, 796, 895, 995, 1207, 1420, 1432, 1592, 1790, 1990, 2414, 2840, 3043, 3383, 3580, 3980, 4828, 6035, 6086, 6766, 7160, 7960, 9656, 12070, 12172, 12709, 13532, 14129, 15215, 16915, 24140, 24344, 25418, 27064, 28258, 30430, 33830, 35621, 48280, 50836, 56516, 60860, 63545, 67660, 70645, 71242, 101672, 113032, 121720, 127090, 135320, 141290, 142484, 178105, 216053, 240193, 254180, 282580, 284968, 356210, 432106, 480386, 508360, 565160, 605557, 712420, 864212, 960772, 1080265, 1200965, 1211114, 1424840, 1728424, 1921544, 2160530, 2401930, 2422228, 2529091, 3027785, 4321060, 4803860, 4844456, 5058182, 6055570, 8642120, 9607720, 10116364, 12111140, 12645455, 20232728, 24222280, 25290910, 42994547, 50581820, 85989094, 101163640, 171978188, 214972735, 343956376, 429945470, 859890940, 1719781880]

約数ペア:

[(1, 1719781880), (2, 859890940), (4, 429945470), (5, 343956376), (8, 214972735), (10, 171978188), (17, 101163640), (20, 85989094), (34, 50581820), (40, 42994547), (68, 25290910), (71, 24222280), (85, 20232728), (136, 12645455), (142, 12111140), (170, 10116364), (179, 9607720), (199, 8642120), (284, 6055570), (340, 5058182), (355, 4844456), (358, 4803860), (398, 4321060), (568, 3027785), (680, 2529091), (710, 2422228), (716, 2401930), (796, 2160530), (895, 1921544), (995, 1728424), (1207, 1424840), (1420, 1211114), (1432, 1200965), (1592, 1080265), (1790, 960772), (1990, 864212), (2414, 712420), (2840, 605557), (3043, 565160), (3383, 508360), (3580, 480386), (3980, 432106), (4828, 356210), (6035, 284968), (6086, 282580), (6766, 254180), (7160, 240193), (7960, 216053), (9656, 178105), (12070, 142484), (12172, 141290), (12709, 135320), (13532, 127090), (14129, 121720), (15215, 113032), (16915, 101672), (24140, 71242), (24344, 70645), (25418, 67660), (27064, 63545), (28258, 60860), (30430, 56516), (33830, 50836), (35621, 48280)]