221196520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14143}}^1$

素因数の和:14194

約数の個数: 64

約数和(自身を含む): 549918720

約数和(自身を除く): 328722200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 14143, 15640, 28286, 56572, 70715, 113144, 141430, 240431, 282860, 325289, 480862, 565720, 650578, 961724, 1202155, 1301156, 1626445, 1923448, 2404310, 2602312, 3252890, 4808620, 5529913, 6505780, 9617240, 11059826, 13011560, 22119652, 27649565, 44239304, 55299130, 110598260, 221196520]

約数ペア:

[(1, 221196520), (2, 110598260), (4, 55299130), (5, 44239304), (8, 27649565), (10, 22119652), (17, 13011560), (20, 11059826), (23, 9617240), (34, 6505780), (40, 5529913), (46, 4808620), (68, 3252890), (85, 2602312), (92, 2404310), (115, 1923448), (136, 1626445), (170, 1301156), (184, 1202155), (230, 961724), (340, 650578), (391, 565720), (460, 480862), (680, 325289), (782, 282860), (920, 240431), (1564, 141430), (1955, 113144), (3128, 70715), (3910, 56572), (7820, 28286), (14143, 15640)]