208384400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3961

約数の個数: 120

約数和(自身を含む): 602431680

約数和(自身を除く): 394047280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 266, 280, 304, 350, 380, 400, 475, 532, 560, 665, 700, 760, 950, 1064, 1330, 1400, 1520, 1900, 2128, 2660, 2800, 3325, 3800, 3917, 5320, 6650, 7600, 7834, 10640, 13300, 15668, 19585, 26600, 27419, 31336, 39170, 53200, 54838, 62672, 74423, 78340, 97925, 109676, 137095, 148846, 156680, 195850, 219352, 274190, 297692, 313360, 372115, 391700, 438704, 520961, 548380, 595384, 685475, 744230, 783400, 1041922, 1096760, 1190768, 1370950, 1488460, 1566800, 1860575, 2083844, 2193520, 2604805, 2741900, 2976920, 3721150, 4167688, 5209610, 5483800, 5953840, 7442300, 8335376, 10419220, 10967600, 13024025, 14884600, 20838440, 26048050, 29769200, 41676880, 52096100, 104192200, 208384400]

約数ペア:

[(1, 208384400), (2, 104192200), (4, 52096100), (5, 41676880), (7, 29769200), (8, 26048050), (10, 20838440), (14, 14884600), (16, 13024025), (19, 10967600), (20, 10419220), (25, 8335376), (28, 7442300), (35, 5953840), (38, 5483800), (40, 5209610), (50, 4167688), (56, 3721150), (70, 2976920), (76, 2741900), (80, 2604805), (95, 2193520), (100, 2083844), (112, 1860575), (133, 1566800), (140, 1488460), (152, 1370950), (175, 1190768), (190, 1096760), (200, 1041922), (266, 783400), (280, 744230), (304, 685475), (350, 595384), (380, 548380), (400, 520961), (475, 438704), (532, 391700), (560, 372115), (665, 313360), (700, 297692), (760, 274190), (950, 219352), (1064, 195850), (1330, 156680), (1400, 148846), (1520, 137095), (1900, 109676), (2128, 97925), (2660, 78340), (2800, 74423), (3325, 62672), (3800, 54838), (3917, 53200), (5320, 39170), (6650, 31336), (7600, 27419), (7834, 26600), (10640, 19585), (13300, 15668)]