40394620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 100892736

約数和(自身を除く): 60498116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 877, 940, 980, 1316, 1645, 1754, 2303, 3290, 3508, 4385, 4606, 6139, 6580, 8770, 9212, 11515, 12278, 17540, 23030, 24556, 30695, 41219, 42973, 46060, 61390, 82438, 85946, 122780, 164876, 171892, 206095, 214865, 288533, 412190, 429730, 577066, 824380, 859460, 1154132, 1442665, 2019731, 2885330, 4039462, 5770660, 8078924, 10098655, 20197310, 40394620]

約数ペア:

[(1, 40394620), (2, 20197310), (4, 10098655), (5, 8078924), (7, 5770660), (10, 4039462), (14, 2885330), (20, 2019731), (28, 1442665), (35, 1154132), (47, 859460), (49, 824380), (70, 577066), (94, 429730), (98, 412190), (140, 288533), (188, 214865), (196, 206095), (235, 171892), (245, 164876), (329, 122780), (470, 85946), (490, 82438), (658, 61390), (877, 46060), (940, 42973), (980, 41219), (1316, 30695), (1645, 24556), (1754, 23030), (2303, 17540), (3290, 12278), (3508, 11515), (4385, 9212), (4606, 8770), (6139, 6580)]