198390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 560249856

約数和(自身を除く): 361859216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 73, 80, 92, 112, 115, 140, 146, 161, 184, 211, 230, 280, 292, 322, 365, 368, 422, 460, 511, 560, 584, 644, 730, 805, 844, 920, 1022, 1055, 1168, 1288, 1460, 1477, 1610, 1679, 1688, 1840, 2044, 2110, 2555, 2576, 2920, 2954, 3220, 3358, 3376, 4088, 4220, 4853, 5110, 5840, 5908, 6440, 6716, 7385, 8176, 8395, 8440, 9706, 10220, 11753, 11816, 12880, 13432, 14770, 15403, 16790, 16880, 19412, 20440, 23506, 23632, 24265, 26864, 29540, 30806, 33580, 33971, 38824, 40880, 47012, 48530, 58765, 59080, 61612, 67160, 67942, 77015, 77648, 94024, 97060, 107821, 117530, 118160, 123224, 134320, 135884, 154030, 169855, 188048, 194120, 215642, 235060, 246448, 271768, 308060, 339710, 354269, 388240, 431284, 470120, 539105, 543536, 616120, 679420, 708538, 862568, 940240, 1078210, 1232240, 1358840, 1417076, 1725136, 1771345, 2156420, 2479883, 2717680, 2834152, 3542690, 4312840, 4959766, 5668304, 7085380, 8625680, 9919532, 12399415, 14170760, 19839064, 24798830, 28341520, 39678128, 49597660, 99195320, 198390640]

約数ペア:

[(1, 198390640), (2, 99195320), (4, 49597660), (5, 39678128), (7, 28341520), (8, 24798830), (10, 19839064), (14, 14170760), (16, 12399415), (20, 9919532), (23, 8625680), (28, 7085380), (35, 5668304), (40, 4959766), (46, 4312840), (56, 3542690), (70, 2834152), (73, 2717680), (80, 2479883), (92, 2156420), (112, 1771345), (115, 1725136), (140, 1417076), (146, 1358840), (161, 1232240), (184, 1078210), (211, 940240), (230, 862568), (280, 708538), (292, 679420), (322, 616120), (365, 543536), (368, 539105), (422, 470120), (460, 431284), (511, 388240), (560, 354269), (584, 339710), (644, 308060), (730, 271768), (805, 246448), (844, 235060), (920, 215642), (1022, 194120), (1055, 188048), (1168, 169855), (1288, 154030), (1460, 135884), (1477, 134320), (1610, 123224), (1679, 118160), (1688, 117530), (1840, 107821), (2044, 97060), (2110, 94024), (2555, 77648), (2576, 77015), (2920, 67942), (2954, 67160), (3220, 61612), (3358, 59080), (3376, 58765), (4088, 48530), (4220, 47012), (4853, 40880), (5110, 38824), (5840, 33971), (5908, 33580), (6440, 30806), (6716, 29540), (7385, 26864), (8176, 24265), (8395, 23632), (8440, 23506), (9706, 20440), (10220, 19412), (11753, 16880), (11816, 16790), (12880, 15403), (13432, 14770)]