74890400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 207799200

約数和(自身を除く): 132908800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 379, 380, 400, 416, 475, 494, 520, 608, 650, 758, 760, 800, 950, 988, 1040, 1235, 1300, 1516, 1520, 1895, 1900, 1976, 2080, 2470, 2600, 3032, 3040, 3790, 3800, 3952, 4927, 4940, 5200, 6064, 6175, 7201, 7580, 7600, 7904, 9475, 9854, 9880, 10400, 12128, 12350, 14402, 15160, 15200, 18950, 19708, 19760, 24635, 24700, 28804, 30320, 36005, 37900, 39416, 39520, 49270, 49400, 57608, 60640, 72010, 75800, 78832, 93613, 98540, 98800, 115216, 123175, 144020, 151600, 157664, 180025, 187226, 197080, 197600, 230432, 246350, 288040, 303200, 360050, 374452, 394160, 468065, 492700, 576080, 720100, 748904, 788320, 936130, 985400, 1152160, 1440200, 1497808, 1872260, 1970800, 2340325, 2880400, 2995616, 3744520, 3941600, 4680650, 5760800, 7489040, 9361300, 14978080, 18722600, 37445200, 74890400]

約数ペア:

[(1, 74890400), (2, 37445200), (4, 18722600), (5, 14978080), (8, 9361300), (10, 7489040), (13, 5760800), (16, 4680650), (19, 3941600), (20, 3744520), (25, 2995616), (26, 2880400), (32, 2340325), (38, 1970800), (40, 1872260), (50, 1497808), (52, 1440200), (65, 1152160), (76, 985400), (80, 936130), (95, 788320), (100, 748904), (104, 720100), (130, 576080), (152, 492700), (160, 468065), (190, 394160), (200, 374452), (208, 360050), (247, 303200), (260, 288040), (304, 246350), (325, 230432), (379, 197600), (380, 197080), (400, 187226), (416, 180025), (475, 157664), (494, 151600), (520, 144020), (608, 123175), (650, 115216), (758, 98800), (760, 98540), (800, 93613), (950, 78832), (988, 75800), (1040, 72010), (1235, 60640), (1300, 57608), (1516, 49400), (1520, 49270), (1895, 39520), (1900, 39416), (1976, 37900), (2080, 36005), (2470, 30320), (2600, 28804), (3032, 24700), (3040, 24635), (3790, 19760), (3800, 19708), (3952, 18950), (4927, 15200), (4940, 15160), (5200, 14402), (6064, 12350), (6175, 12128), (7201, 10400), (7580, 9880), (7600, 9854), (7904, 9475)]