7421970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 19440000

約数和(自身を除く): 12018030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 449, 551, 570, 870, 898, 1102, 1347, 1653, 2245, 2694, 2755, 3306, 4490, 5510, 6735, 8265, 8531, 13021, 13470, 16530, 17062, 25593, 26042, 39063, 42655, 51186, 65105, 78126, 85310, 127965, 130210, 195315, 247399, 255930, 390630, 494798, 742197, 1236995, 1484394, 2473990, 3710985, 7421970]

約数ペア:

[(1, 7421970), (2, 3710985), (3, 2473990), (5, 1484394), (6, 1236995), (10, 742197), (15, 494798), (19, 390630), (29, 255930), (30, 247399), (38, 195315), (57, 130210), (58, 127965), (87, 85310), (95, 78126), (114, 65105), (145, 51186), (174, 42655), (190, 39063), (285, 26042), (290, 25593), (435, 17062), (449, 16530), (551, 13470), (570, 13021), (870, 8531), (898, 8265), (1102, 6735), (1347, 5510), (1653, 4490), (2245, 3306), (2694, 2755)]