72369460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 155509200

約数和(自身を除く): 83139740

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 373, 436, 445, 545, 746, 890, 1090, 1492, 1780, 1865, 2180, 3730, 7460, 9701, 19402, 33197, 38804, 40657, 48505, 66394, 81314, 97010, 132788, 162628, 165985, 194020, 203285, 331970, 406570, 663940, 813140, 3618473, 7236946, 14473892, 18092365, 36184730, 72369460]

約数ペア:

[(1, 72369460), (2, 36184730), (4, 18092365), (5, 14473892), (10, 7236946), (20, 3618473), (89, 813140), (109, 663940), (178, 406570), (218, 331970), (356, 203285), (373, 194020), (436, 165985), (445, 162628), (545, 132788), (746, 97010), (890, 81314), (1090, 66394), (1492, 48505), (1780, 40657), (1865, 38804), (2180, 33197), (3730, 19402), (7460, 9701)]