516460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 1378944

約数和(自身を除く): 862484

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 49, 62, 68, 70, 85, 98, 119, 124, 140, 155, 170, 196, 217, 238, 245, 310, 340, 434, 476, 490, 527, 595, 620, 833, 868, 980, 1054, 1085, 1190, 1519, 1666, 2108, 2170, 2380, 2635, 3038, 3332, 3689, 4165, 4340, 5270, 6076, 7378, 7595, 8330, 10540, 14756, 15190, 16660, 18445, 25823, 30380, 36890, 51646, 73780, 103292, 129115, 258230, 516460]

約数ペア:

[(1, 516460), (2, 258230), (4, 129115), (5, 103292), (7, 73780), (10, 51646), (14, 36890), (17, 30380), (20, 25823), (28, 18445), (31, 16660), (34, 15190), (35, 14756), (49, 10540), (62, 8330), (68, 7595), (70, 7378), (85, 6076), (98, 5270), (119, 4340), (124, 4165), (140, 3689), (155, 3332), (170, 3038), (196, 2635), (217, 2380), (238, 2170), (245, 2108), (310, 1666), (340, 1519), (434, 1190), (476, 1085), (490, 1054), (527, 980), (595, 868), (620, 833)]