254443250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 558005760

約数和(自身を除く): 303562510

約数列:

[1, 2, 5, 10, 17, 19, 23, 25, 34, 38, 46, 50, 85, 95, 115, 125, 137, 170, 190, 230, 250, 274, 323, 391, 425, 437, 475, 575, 646, 685, 782, 850, 874, 950, 1150, 1370, 1615, 1955, 2125, 2185, 2329, 2375, 2603, 2875, 3151, 3230, 3425, 3910, 4250, 4370, 4658, 4750, 5206, 5750, 6302, 6850, 7429, 8075, 9775, 10925, 11645, 13015, 14858, 15755, 16150, 17125, 19550, 21850, 23290, 26030, 31510, 34250, 37145, 40375, 44251, 48875, 53567, 54625, 58225, 59869, 65075, 74290, 78775, 80750, 88502, 97750, 107134, 109250, 116450, 119738, 130150, 157550, 185725, 221255, 267835, 291125, 299345, 325375, 371450, 393875, 442510, 535670, 582250, 598690, 650750, 787750, 928625, 1017773, 1106275, 1339175, 1496725, 1857250, 2035546, 2212550, 2678350, 2993450, 5088865, 5531375, 6695875, 7483625, 10177730, 11062750, 13391750, 14967250, 25444325, 50888650, 127221625, 254443250]

約数ペア:

[(1, 254443250), (2, 127221625), (5, 50888650), (10, 25444325), (17, 14967250), (19, 13391750), (23, 11062750), (25, 10177730), (34, 7483625), (38, 6695875), (46, 5531375), (50, 5088865), (85, 2993450), (95, 2678350), (115, 2212550), (125, 2035546), (137, 1857250), (170, 1496725), (190, 1339175), (230, 1106275), (250, 1017773), (274, 928625), (323, 787750), (391, 650750), (425, 598690), (437, 582250), (475, 535670), (575, 442510), (646, 393875), (685, 371450), (782, 325375), (850, 299345), (874, 291125), (950, 267835), (1150, 221255), (1370, 185725), (1615, 157550), (1955, 130150), (2125, 119738), (2185, 116450), (2329, 109250), (2375, 107134), (2603, 97750), (2875, 88502), (3151, 80750), (3230, 78775), (3425, 74290), (3910, 65075), (4250, 59869), (4370, 58225), (4658, 54625), (4750, 53567), (5206, 48875), (5750, 44251), (6302, 40375), (6850, 37145), (7429, 34250), (8075, 31510), (9775, 26030), (10925, 23290), (11645, 21850), (13015, 19550), (14858, 17125), (15755, 16150)]