31304420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7213}}^1$

素因数の和:7260

約数の個数: 48

約数和(自身を含む): 77564928

約数和(自身を除く): 46260508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7213, 14426, 28852, 36065, 50491, 72130, 100982, 144260, 201964, 223603, 252455, 447206, 504910, 894412, 1009820, 1118015, 1565221, 2236030, 3130442, 4472060, 6260884, 7826105, 15652210, 31304420]

約数ペア:

[(1, 31304420), (2, 15652210), (4, 7826105), (5, 6260884), (7, 4472060), (10, 3130442), (14, 2236030), (20, 1565221), (28, 1118015), (31, 1009820), (35, 894412), (62, 504910), (70, 447206), (124, 252455), (140, 223603), (155, 201964), (217, 144260), (310, 100982), (434, 72130), (620, 50491), (868, 36065), (1085, 28852), (2170, 14426), (4340, 7213)]