202327280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 482112000

約数和(自身を除く): 279784720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 179, 199, 284, 355, 358, 398, 568, 710, 716, 796, 895, 995, 1136, 1420, 1432, 1592, 1790, 1990, 2840, 2864, 3184, 3580, 3980, 5680, 7160, 7960, 12709, 14129, 14320, 15920, 25418, 28258, 35621, 50836, 56516, 63545, 70645, 71242, 101672, 113032, 127090, 141290, 142484, 178105, 203344, 226064, 254180, 282580, 284968, 356210, 508360, 565160, 569936, 712420, 1016720, 1130320, 1424840, 2529091, 2849680, 5058182, 10116364, 12645455, 20232728, 25290910, 40465456, 50581820, 101163640, 202327280]

約数ペア:

[(1, 202327280), (2, 101163640), (4, 50581820), (5, 40465456), (8, 25290910), (10, 20232728), (16, 12645455), (20, 10116364), (40, 5058182), (71, 2849680), (80, 2529091), (142, 1424840), (179, 1130320), (199, 1016720), (284, 712420), (355, 569936), (358, 565160), (398, 508360), (568, 356210), (710, 284968), (716, 282580), (796, 254180), (895, 226064), (995, 203344), (1136, 178105), (1420, 142484), (1432, 141290), (1592, 127090), (1790, 113032), (1990, 101672), (2840, 71242), (2864, 70645), (3184, 63545), (3580, 56516), (3980, 50836), (5680, 35621), (7160, 28258), (7960, 25418), (12709, 15920), (14129, 14320)]