409550820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139303}}^1$

素因数の和:139329

約数の個数: 72

約数和(自身を含む): 1333975104

約数和(自身を除く): 924424284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 139303, 278606, 417909, 557212, 696515, 835818, 975121, 1393030, 1671636, 1950242, 2089545, 2786060, 2925363, 3900484, 4179090, 4875605, 5850726, 6825847, 8358180, 9751210, 11701452, 13651694, 14626815, 19502420, 20477541, 27303388, 29253630, 34129235, 40955082, 58507260, 68258470, 81910164, 102387705, 136516940, 204775410, 409550820]

約数ペア:

[(1, 409550820), (2, 204775410), (3, 136516940), (4, 102387705), (5, 81910164), (6, 68258470), (7, 58507260), (10, 40955082), (12, 34129235), (14, 29253630), (15, 27303388), (20, 20477541), (21, 19502420), (28, 14626815), (30, 13651694), (35, 11701452), (42, 9751210), (49, 8358180), (60, 6825847), (70, 5850726), (84, 4875605), (98, 4179090), (105, 3900484), (140, 2925363), (147, 2786060), (196, 2089545), (210, 1950242), (245, 1671636), (294, 1393030), (420, 975121), (490, 835818), (588, 696515), (735, 557212), (980, 417909), (1470, 278606), (2940, 139303)]