338014720

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 120

約数和(自身を含む): 844699284

約数和(自身を除く): 506684564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 157, 160, 232, 256, 290, 314, 320, 464, 512, 580, 628, 640, 785, 841, 928, 1160, 1256, 1280, 1570, 1682, 1856, 2320, 2512, 2560, 3140, 3364, 3712, 4205, 4553, 4640, 5024, 6280, 6728, 7424, 8410, 9106, 9280, 10048, 12560, 13456, 14848, 16820, 18212, 18560, 20096, 22765, 25120, 26912, 33640, 36424, 37120, 40192, 45530, 50240, 53824, 67280, 72848, 74240, 80384, 91060, 100480, 107648, 132037, 134560, 145696, 182120, 200960, 215296, 264074, 269120, 291392, 364240, 401920, 430592, 528148, 538240, 582784, 660185, 728480, 1056296, 1076480, 1165568, 1320370, 1456960, 2112592, 2152960, 2331136, 2640740, 2913920, 4225184, 5281480, 5827840, 8450368, 10562960, 11655680, 16900736, 21125920, 33801472, 42251840, 67602944, 84503680, 169007360, 338014720]

約数ペア:

[(1, 338014720), (2, 169007360), (4, 84503680), (5, 67602944), (8, 42251840), (10, 33801472), (16, 21125920), (20, 16900736), (29, 11655680), (32, 10562960), (40, 8450368), (58, 5827840), (64, 5281480), (80, 4225184), (116, 2913920), (128, 2640740), (145, 2331136), (157, 2152960), (160, 2112592), (232, 1456960), (256, 1320370), (290, 1165568), (314, 1076480), (320, 1056296), (464, 728480), (512, 660185), (580, 582784), (628, 538240), (640, 528148), (785, 430592), (841, 401920), (928, 364240), (1160, 291392), (1256, 269120), (1280, 264074), (1570, 215296), (1682, 200960), (1856, 182120), (2320, 145696), (2512, 134560), (2560, 132037), (3140, 107648), (3364, 100480), (3712, 91060), (4205, 80384), (4553, 74240), (4640, 72848), (5024, 67280), (6280, 53824), (6728, 50240), (7424, 45530), (8410, 40192), (9106, 37120), (9280, 36424), (10048, 33640), (12560, 26912), (13456, 25120), (14848, 22765), (16820, 20096), (18212, 18560)]