128396660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3541}}^1$

素因数の和:3601

約数の個数: 72

約数和(自身を含む): 322222824

約数和(自身を除く): 193826164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3541, 3626, 5180, 7082, 7252, 9065, 14164, 17705, 18130, 24787, 35410, 36260, 49574, 70820, 99148, 123935, 131017, 173509, 247870, 262034, 347018, 495740, 524068, 655085, 694036, 867545, 917119, 1310170, 1735090, 1834238, 2620340, 3470180, 3668476, 4585595, 6419833, 9171190, 12839666, 18342380, 25679332, 32099165, 64198330, 128396660]

約数ペア:

[(1, 128396660), (2, 64198330), (4, 32099165), (5, 25679332), (7, 18342380), (10, 12839666), (14, 9171190), (20, 6419833), (28, 4585595), (35, 3668476), (37, 3470180), (49, 2620340), (70, 1834238), (74, 1735090), (98, 1310170), (140, 917119), (148, 867545), (185, 694036), (196, 655085), (245, 524068), (259, 495740), (370, 347018), (490, 262034), (518, 247870), (740, 173509), (980, 131017), (1036, 123935), (1295, 99148), (1813, 70820), (2590, 49574), (3541, 36260), (3626, 35410), (5180, 24787), (7082, 18130), (7252, 17705), (9065, 14164)]