204979040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 556041024

約数和(自身を除く): 351061984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 397, 461, 560, 794, 922, 1120, 1588, 1844, 1985, 2305, 2779, 3176, 3227, 3688, 3970, 4610, 5558, 6352, 6454, 7376, 7940, 9220, 11116, 12704, 12908, 13895, 14752, 15880, 16135, 18440, 22232, 25816, 27790, 31760, 32270, 36880, 44464, 51632, 55580, 63520, 64540, 73760, 88928, 103264, 111160, 129080, 183017, 222320, 258160, 366034, 444640, 516320, 732068, 915085, 1281119, 1464136, 1830170, 2562238, 2928272, 3660340, 5124476, 5856544, 6405595, 7320680, 10248952, 12811190, 14641360, 20497904, 25622380, 29282720, 40995808, 51244760, 102489520, 204979040]

約数ペア:

[(1, 204979040), (2, 102489520), (4, 51244760), (5, 40995808), (7, 29282720), (8, 25622380), (10, 20497904), (14, 14641360), (16, 12811190), (20, 10248952), (28, 7320680), (32, 6405595), (35, 5856544), (40, 5124476), (56, 3660340), (70, 2928272), (80, 2562238), (112, 1830170), (140, 1464136), (160, 1281119), (224, 915085), (280, 732068), (397, 516320), (461, 444640), (560, 366034), (794, 258160), (922, 222320), (1120, 183017), (1588, 129080), (1844, 111160), (1985, 103264), (2305, 88928), (2779, 73760), (3176, 64540), (3227, 63520), (3688, 55580), (3970, 51632), (4610, 44464), (5558, 36880), (6352, 32270), (6454, 31760), (7376, 27790), (7940, 25816), (9220, 22232), (11116, 18440), (12704, 16135), (12908, 15880), (13895, 14752)]