248015210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 497912832

約数和(自身を除く): 249897622

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 137, 170, 230, 274, 391, 463, 685, 782, 926, 1370, 1955, 2315, 2329, 3151, 3910, 4630, 4658, 6302, 7871, 10649, 11645, 15742, 15755, 21298, 23290, 31510, 39355, 53245, 53567, 63431, 78710, 106490, 107134, 126862, 181033, 267835, 317155, 362066, 535670, 634310, 905165, 1078327, 1458913, 1810330, 2156654, 2917826, 5391635, 7294565, 10783270, 14589130, 24801521, 49603042, 124007605, 248015210]

約数ペア:

[(1, 248015210), (2, 124007605), (5, 49603042), (10, 24801521), (17, 14589130), (23, 10783270), (34, 7294565), (46, 5391635), (85, 2917826), (115, 2156654), (137, 1810330), (170, 1458913), (230, 1078327), (274, 905165), (391, 634310), (463, 535670), (685, 362066), (782, 317155), (926, 267835), (1370, 181033), (1955, 126862), (2315, 107134), (2329, 106490), (3151, 78710), (3910, 63431), (4630, 53567), (4658, 53245), (6302, 39355), (7871, 31510), (10649, 23290), (11645, 21298), (15742, 15755)]