72028040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36749}}^1$

素因数の和:36774

約数の個数: 48

約数和(自身を含む): 188527500

約数和(自身を除く): 116499460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 36749, 73498, 146996, 183745, 257243, 293992, 367490, 514486, 734980, 1028972, 1286215, 1469960, 1800701, 2057944, 2572430, 3601402, 5144860, 7202804, 9003505, 10289720, 14405608, 18007010, 36014020, 72028040]

約数ペア:

[(1, 72028040), (2, 36014020), (4, 18007010), (5, 14405608), (7, 10289720), (8, 9003505), (10, 7202804), (14, 5144860), (20, 3601402), (28, 2572430), (35, 2057944), (40, 1800701), (49, 1469960), (56, 1286215), (70, 1028972), (98, 734980), (140, 514486), (196, 367490), (245, 293992), (280, 257243), (392, 183745), (490, 146996), (980, 73498), (1960, 36749)]