201945980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 443971584

約数和(自身を除く): 242025604

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 443, 460, 886, 991, 1772, 1982, 2215, 3964, 4430, 4955, 8860, 9910, 10189, 19820, 20378, 22793, 40756, 45586, 50945, 91172, 101890, 113965, 203780, 227930, 439013, 455860, 878026, 1756052, 2195065, 4390130, 8780260, 10097299, 20194598, 40389196, 50486495, 100972990, 201945980]

約数ペア:

[(1, 201945980), (2, 100972990), (4, 50486495), (5, 40389196), (10, 20194598), (20, 10097299), (23, 8780260), (46, 4390130), (92, 2195065), (115, 1756052), (230, 878026), (443, 455860), (460, 439013), (886, 227930), (991, 203780), (1772, 113965), (1982, 101890), (2215, 91172), (3964, 50945), (4430, 45586), (4955, 40756), (8860, 22793), (9910, 20378), (10189, 19820)]