145185880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{518521}}^1$

素因数の和:518539

約数の個数: 32

約数和(自身を含む): 373335840

約数和(自身を除く): 228149960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 518521, 1037042, 2074084, 2592605, 3629647, 4148168, 5185210, 7259294, 10370420, 14518588, 18148235, 20740840, 29037176, 36296470, 72592940, 145185880]

約数ペア:

[(1, 145185880), (2, 72592940), (4, 36296470), (5, 29037176), (7, 20740840), (8, 18148235), (10, 14518588), (14, 10370420), (20, 7259294), (28, 5185210), (35, 4148168), (40, 3629647), (56, 2592605), (70, 2074084), (140, 1037042), (280, 518521)]