209958320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18353}}^1$

素因数の和:18390

約数の個数: 80

約数和(自身を含む): 573525792

約数和(自身を除く): 363567472

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 18353, 36706, 73412, 91765, 146824, 183530, 201883, 238589, 293648, 367060, 403766, 477178, 734120, 807532, 954356, 1009415, 1192945, 1468240, 1615064, 1908712, 2018830, 2385890, 2624479, 3230128, 3817424, 4037660, 4771780, 5248958, 8075320, 9543560, 10497916, 13122395, 16150640, 19087120, 20995832, 26244790, 41991664, 52489580, 104979160, 209958320]

約数ペア:

[(1, 209958320), (2, 104979160), (4, 52489580), (5, 41991664), (8, 26244790), (10, 20995832), (11, 19087120), (13, 16150640), (16, 13122395), (20, 10497916), (22, 9543560), (26, 8075320), (40, 5248958), (44, 4771780), (52, 4037660), (55, 3817424), (65, 3230128), (80, 2624479), (88, 2385890), (104, 2018830), (110, 1908712), (130, 1615064), (143, 1468240), (176, 1192945), (208, 1009415), (220, 954356), (260, 807532), (286, 734120), (440, 477178), (520, 403766), (572, 367060), (715, 293648), (880, 238589), (1040, 201883), (1144, 183530), (1430, 146824), (2288, 91765), (2860, 73412), (5720, 36706), (11440, 18353)]