31247860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3659}}^1$

素因数の和:3736

約数の個数: 48

約数和(自身を含む): 76245120

約数和(自身を除く): 44997260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3659, 4270, 7318, 8540, 14636, 18295, 25613, 36590, 51226, 73180, 102452, 128065, 223199, 256130, 446398, 512260, 892796, 1115995, 1562393, 2231990, 3124786, 4463980, 6249572, 7811965, 15623930, 31247860]

約数ペア:

[(1, 31247860), (2, 15623930), (4, 7811965), (5, 6249572), (7, 4463980), (10, 3124786), (14, 2231990), (20, 1562393), (28, 1115995), (35, 892796), (61, 512260), (70, 446398), (122, 256130), (140, 223199), (244, 128065), (305, 102452), (427, 73180), (610, 51226), (854, 36590), (1220, 25613), (1708, 18295), (2135, 14636), (3659, 8540), (4270, 7318)]