211030720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 538581600

約数和(自身を除く): 327550880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 320, 380, 488, 569, 608, 610, 760, 976, 1138, 1159, 1216, 1220, 1520, 1952, 2276, 2318, 2440, 2845, 3040, 3904, 4552, 4636, 4880, 5690, 5795, 6080, 9104, 9272, 9760, 10811, 11380, 11590, 18208, 18544, 19520, 21622, 22760, 23180, 34709, 36416, 37088, 43244, 45520, 46360, 54055, 69418, 74176, 86488, 91040, 92720, 108110, 138836, 172976, 173545, 182080, 185440, 216220, 277672, 345952, 347090, 370880, 432440, 555344, 659471, 691904, 694180, 864880, 1110688, 1318942, 1388360, 1729760, 2221376, 2637884, 2776720, 3297355, 3459520, 5275768, 5553440, 6594710, 10551536, 11106880, 13189420, 21103072, 26378840, 42206144, 52757680, 105515360, 211030720]

約数ペア:

[(1, 211030720), (2, 105515360), (4, 52757680), (5, 42206144), (8, 26378840), (10, 21103072), (16, 13189420), (19, 11106880), (20, 10551536), (32, 6594710), (38, 5553440), (40, 5275768), (61, 3459520), (64, 3297355), (76, 2776720), (80, 2637884), (95, 2221376), (122, 1729760), (152, 1388360), (160, 1318942), (190, 1110688), (244, 864880), (304, 694180), (305, 691904), (320, 659471), (380, 555344), (488, 432440), (569, 370880), (608, 347090), (610, 345952), (760, 277672), (976, 216220), (1138, 185440), (1159, 182080), (1216, 173545), (1220, 172976), (1520, 138836), (1952, 108110), (2276, 92720), (2318, 91040), (2440, 86488), (2845, 74176), (3040, 69418), (3904, 54055), (4552, 46360), (4636, 45520), (4880, 43244), (5690, 37088), (5795, 36416), (6080, 34709), (9104, 23180), (9272, 22760), (9760, 21622), (10811, 19520), (11380, 18544), (11590, 18208)]