318291260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10477}}^1$

素因数の和:10531

約数の個数: 72

約数和(自身を含む): 802698624

約数和(自身を除く): 484407364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 10477, 15190, 20954, 30380, 41908, 52385, 73339, 104770, 146678, 209540, 293356, 324787, 366695, 513373, 649574, 733390, 1026746, 1299148, 1466780, 1623935, 2053492, 2273509, 2566865, 3247870, 4547018, 5133730, 6495740, 9094036, 10267460, 11367545, 15914563, 22735090, 31829126, 45470180, 63658252, 79572815, 159145630, 318291260]

約数ペア:

[(1, 318291260), (2, 159145630), (4, 79572815), (5, 63658252), (7, 45470180), (10, 31829126), (14, 22735090), (20, 15914563), (28, 11367545), (31, 10267460), (35, 9094036), (49, 6495740), (62, 5133730), (70, 4547018), (98, 3247870), (124, 2566865), (140, 2273509), (155, 2053492), (196, 1623935), (217, 1466780), (245, 1299148), (310, 1026746), (434, 733390), (490, 649574), (620, 513373), (868, 366695), (980, 324787), (1085, 293356), (1519, 209540), (2170, 146678), (3038, 104770), (4340, 73339), (6076, 52385), (7595, 41908), (10477, 30380), (15190, 20954)]