47391820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 118991376

約数和(自身を除く): 71599556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1307, 1813, 2590, 2614, 3626, 5180, 5228, 6535, 7252, 9065, 9149, 13070, 18130, 18298, 26140, 36260, 36596, 45745, 48359, 64043, 91490, 96718, 128086, 182980, 193436, 241795, 256172, 320215, 338513, 483590, 640430, 677026, 967180, 1280860, 1354052, 1692565, 2369591, 3385130, 4739182, 6770260, 9478364, 11847955, 23695910, 47391820]

約数ペア:

[(1, 47391820), (2, 23695910), (4, 11847955), (5, 9478364), (7, 6770260), (10, 4739182), (14, 3385130), (20, 2369591), (28, 1692565), (35, 1354052), (37, 1280860), (49, 967180), (70, 677026), (74, 640430), (98, 483590), (140, 338513), (148, 320215), (185, 256172), (196, 241795), (245, 193436), (259, 182980), (370, 128086), (490, 96718), (518, 91490), (740, 64043), (980, 48359), (1036, 45745), (1295, 36596), (1307, 36260), (1813, 26140), (2590, 18298), (2614, 18130), (3626, 13070), (5180, 9149), (5228, 9065), (6535, 7252)]