198778880

素因数分解:

$2^{13}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 112

約数和(自身を含む): 500140224

約数和(自身を除く): 301361344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 211, 230, 256, 320, 368, 422, 460, 512, 640, 736, 844, 920, 1024, 1055, 1280, 1472, 1688, 1840, 2048, 2110, 2560, 2944, 3376, 3680, 4096, 4220, 4853, 5120, 5888, 6752, 7360, 8192, 8440, 9706, 10240, 11776, 13504, 14720, 16880, 19412, 20480, 23552, 24265, 27008, 29440, 33760, 38824, 40960, 47104, 48530, 54016, 58880, 67520, 77648, 94208, 97060, 108032, 117760, 135040, 155296, 188416, 194120, 216064, 235520, 270080, 310592, 388240, 432128, 471040, 540160, 621184, 776480, 864256, 942080, 1080320, 1242368, 1552960, 1728512, 2160640, 2484736, 3105920, 4321280, 4969472, 6211840, 8642560, 9938944, 12423680, 19877888, 24847360, 39755776, 49694720, 99389440, 198778880]

約数ペア:

[(1, 198778880), (2, 99389440), (4, 49694720), (5, 39755776), (8, 24847360), (10, 19877888), (16, 12423680), (20, 9938944), (23, 8642560), (32, 6211840), (40, 4969472), (46, 4321280), (64, 3105920), (80, 2484736), (92, 2160640), (115, 1728512), (128, 1552960), (160, 1242368), (184, 1080320), (211, 942080), (230, 864256), (256, 776480), (320, 621184), (368, 540160), (422, 471040), (460, 432128), (512, 388240), (640, 310592), (736, 270080), (844, 235520), (920, 216064), (1024, 194120), (1055, 188416), (1280, 155296), (1472, 135040), (1688, 117760), (1840, 108032), (2048, 97060), (2110, 94208), (2560, 77648), (2944, 67520), (3376, 58880), (3680, 54016), (4096, 48530), (4220, 47104), (4853, 40960), (5120, 38824), (5888, 33760), (6752, 29440), (7360, 27008), (8192, 24265), (8440, 23552), (9706, 20480), (10240, 19412), (11776, 16880), (13504, 14720)]