291220480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2521

約数の個数: 88

約数和(自身を含む): 729256032

約数和(自身を除く): 438035552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 2473, 2560, 2944, 3680, 4946, 5120, 5888, 7360, 9892, 11776, 12365, 14720, 19784, 23552, 24730, 29440, 39568, 49460, 56879, 58880, 79136, 98920, 113758, 117760, 158272, 197840, 227516, 284395, 316544, 395680, 455032, 568790, 633088, 791360, 910064, 1137580, 1266176, 1582720, 1820128, 2275160, 2532352, 3165440, 3640256, 4550320, 6330880, 7280512, 9100640, 12661760, 14561024, 18201280, 29122048, 36402560, 58244096, 72805120, 145610240, 291220480]

約数ペア:

[(1, 291220480), (2, 145610240), (4, 72805120), (5, 58244096), (8, 36402560), (10, 29122048), (16, 18201280), (20, 14561024), (23, 12661760), (32, 9100640), (40, 7280512), (46, 6330880), (64, 4550320), (80, 3640256), (92, 3165440), (115, 2532352), (128, 2275160), (160, 1820128), (184, 1582720), (230, 1266176), (256, 1137580), (320, 910064), (368, 791360), (460, 633088), (512, 568790), (640, 455032), (736, 395680), (920, 316544), (1024, 284395), (1280, 227516), (1472, 197840), (1840, 158272), (2473, 117760), (2560, 113758), (2944, 98920), (3680, 79136), (4946, 58880), (5120, 56879), (5888, 49460), (7360, 39568), (9892, 29440), (11776, 24730), (12365, 23552), (14720, 19784)]