290110040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 752716800

約数和(自身を除く): 462606760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 109, 110, 115, 184, 218, 220, 230, 253, 263, 436, 440, 460, 506, 526, 545, 872, 920, 1012, 1052, 1090, 1199, 1265, 1315, 2024, 2104, 2180, 2398, 2507, 2530, 2630, 2893, 4360, 4796, 5014, 5060, 5260, 5786, 5995, 6049, 9592, 10028, 10120, 10520, 11572, 11990, 12098, 12535, 14465, 20056, 23144, 23980, 24196, 25070, 27577, 28667, 28930, 30245, 47960, 48392, 50140, 55154, 57334, 57860, 60490, 66539, 100280, 110308, 114668, 115720, 120980, 133078, 137885, 143335, 220616, 229336, 241960, 266156, 275770, 286670, 315337, 332695, 532312, 551540, 573340, 630674, 659341, 665390, 1103080, 1146680, 1261348, 1318682, 1330780, 1576685, 2522696, 2637364, 2661560, 3153370, 3296705, 5274728, 6306740, 6593410, 7252751, 12613480, 13186820, 14505502, 26373640, 29011004, 36263755, 58022008, 72527510, 145055020, 290110040]

約数ペア:

[(1, 290110040), (2, 145055020), (4, 72527510), (5, 58022008), (8, 36263755), (10, 29011004), (11, 26373640), (20, 14505502), (22, 13186820), (23, 12613480), (40, 7252751), (44, 6593410), (46, 6306740), (55, 5274728), (88, 3296705), (92, 3153370), (109, 2661560), (110, 2637364), (115, 2522696), (184, 1576685), (218, 1330780), (220, 1318682), (230, 1261348), (253, 1146680), (263, 1103080), (436, 665390), (440, 659341), (460, 630674), (506, 573340), (526, 551540), (545, 532312), (872, 332695), (920, 315337), (1012, 286670), (1052, 275770), (1090, 266156), (1199, 241960), (1265, 229336), (1315, 220616), (2024, 143335), (2104, 137885), (2180, 133078), (2398, 120980), (2507, 115720), (2530, 114668), (2630, 110308), (2893, 100280), (4360, 66539), (4796, 60490), (5014, 57860), (5060, 57334), (5260, 55154), (5786, 50140), (5995, 48392), (6049, 47960), (9592, 30245), (10028, 28930), (10120, 28667), (10520, 27577), (11572, 25070), (11990, 24196), (12098, 23980), (12535, 23144), (14465, 20056)]