208098280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2011}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 507024000

約数和(自身を除く): 298925720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2011, 2587, 3980, 4022, 5174, 7960, 8044, 10055, 10348, 12935, 16088, 20110, 20696, 25870, 26143, 40220, 51740, 52286, 80440, 103480, 104572, 130715, 209144, 261430, 400189, 522860, 800378, 1045720, 1600756, 2000945, 3201512, 4001890, 5202457, 8003780, 10404914, 16007560, 20809828, 26012285, 41619656, 52024570, 104049140, 208098280]

約数ペア:

[(1, 208098280), (2, 104049140), (4, 52024570), (5, 41619656), (8, 26012285), (10, 20809828), (13, 16007560), (20, 10404914), (26, 8003780), (40, 5202457), (52, 4001890), (65, 3201512), (104, 2000945), (130, 1600756), (199, 1045720), (260, 800378), (398, 522860), (520, 400189), (796, 261430), (995, 209144), (1592, 130715), (1990, 104572), (2011, 103480), (2587, 80440), (3980, 52286), (4022, 51740), (5174, 40220), (7960, 26143), (8044, 25870), (10055, 20696), (10348, 20110), (12935, 16088)]