4040540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 10752000

約数和(自身を除く): 6711460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 343, 380, 434, 490, 532, 589, 620, 665, 686, 868, 931, 980, 1085, 1178, 1330, 1372, 1519, 1715, 1862, 2170, 2356, 2660, 2945, 3038, 3430, 3724, 4123, 4340, 4655, 5890, 6076, 6517, 6860, 7595, 8246, 9310, 10633, 11780, 13034, 15190, 16492, 18620, 20615, 21266, 26068, 28861, 30380, 32585, 41230, 42532, 53165, 57722, 65170, 82460, 106330, 115444, 130340, 144305, 202027, 212660, 288610, 404054, 577220, 808108, 1010135, 2020270, 4040540]

約数ペア:

[(1, 4040540), (2, 2020270), (4, 1010135), (5, 808108), (7, 577220), (10, 404054), (14, 288610), (19, 212660), (20, 202027), (28, 144305), (31, 130340), (35, 115444), (38, 106330), (49, 82460), (62, 65170), (70, 57722), (76, 53165), (95, 42532), (98, 41230), (124, 32585), (133, 30380), (140, 28861), (155, 26068), (190, 21266), (196, 20615), (217, 18620), (245, 16492), (266, 15190), (310, 13034), (343, 11780), (380, 10633), (434, 9310), (490, 8246), (532, 7595), (589, 6860), (620, 6517), (665, 6076), (686, 5890), (868, 4655), (931, 4340), (980, 4123), (1085, 3724), (1178, 3430), (1330, 3038), (1372, 2945), (1519, 2660), (1715, 2356), (1862, 2170)]