29950280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 40033720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 179, 188, 235, 356, 358, 376, 445, 470, 712, 716, 890, 895, 940, 1432, 1780, 1790, 1880, 3560, 3580, 4183, 7160, 8366, 8413, 15931, 16732, 16826, 20915, 31862, 33464, 33652, 41830, 42065, 63724, 67304, 79655, 83660, 84130, 127448, 159310, 167320, 168260, 318620, 336520, 637240, 748757, 1497514, 2995028, 3743785, 5990056, 7487570, 14975140, 29950280]

約数ペア:

[(1, 29950280), (2, 14975140), (4, 7487570), (5, 5990056), (8, 3743785), (10, 2995028), (20, 1497514), (40, 748757), (47, 637240), (89, 336520), (94, 318620), (178, 168260), (179, 167320), (188, 159310), (235, 127448), (356, 84130), (358, 83660), (376, 79655), (445, 67304), (470, 63724), (712, 42065), (716, 41830), (890, 33652), (895, 33464), (940, 31862), (1432, 20915), (1780, 16826), (1790, 16732), (1880, 15931), (3560, 8413), (3580, 8366), (4183, 7160)]