489397720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{10723}}^1$

素因数の和:10904

約数の個数: 64

約数和(自身を含む): 1266289920

約数和(自身を除く): 776892200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 10723, 11410, 21446, 22820, 42892, 45640, 53615, 75061, 85784, 107230, 150122, 214460, 300244, 375305, 428920, 600488, 750610, 1501220, 1747849, 3002440, 3495698, 6991396, 8739245, 12234943, 13982792, 17478490, 24469886, 34956980, 48939772, 61174715, 69913960, 97879544, 122349430, 244698860, 489397720]

約数ペア:

[(1, 489397720), (2, 244698860), (4, 122349430), (5, 97879544), (7, 69913960), (8, 61174715), (10, 48939772), (14, 34956980), (20, 24469886), (28, 17478490), (35, 13982792), (40, 12234943), (56, 8739245), (70, 6991396), (140, 3495698), (163, 3002440), (280, 1747849), (326, 1501220), (652, 750610), (815, 600488), (1141, 428920), (1304, 375305), (1630, 300244), (2282, 214460), (3260, 150122), (4564, 107230), (5705, 85784), (6520, 75061), (9128, 53615), (10723, 45640), (11410, 42892), (21446, 22820)]