28075460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6469}}^1$

素因数の和:6516

約数の個数: 48

約数和(自身を含む): 69565440

約数和(自身を除く): 41489980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6469, 12938, 25876, 32345, 45283, 64690, 90566, 129380, 181132, 200539, 226415, 401078, 452830, 802156, 905660, 1002695, 1403773, 2005390, 2807546, 4010780, 5615092, 7018865, 14037730, 28075460]

約数ペア:

[(1, 28075460), (2, 14037730), (4, 7018865), (5, 5615092), (7, 4010780), (10, 2807546), (14, 2005390), (20, 1403773), (28, 1002695), (31, 905660), (35, 802156), (62, 452830), (70, 401078), (124, 226415), (140, 200539), (155, 181132), (217, 129380), (310, 90566), (434, 64690), (620, 45283), (868, 32345), (1085, 25876), (2170, 12938), (4340, 6469)]