87920140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 236565504

約数和(自身を除く): 148645364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1295, 1540, 1543, 1628, 2035, 2590, 2849, 3086, 4070, 5180, 5698, 6172, 7715, 8140, 10801, 11396, 14245, 15430, 16973, 21602, 28490, 30860, 33946, 43204, 54005, 56980, 57091, 67892, 84865, 108010, 114182, 118811, 169730, 216020, 228364, 237622, 285455, 339460, 399637, 475244, 570910, 594055, 628001, 799274, 1141820, 1188110, 1256002, 1598548, 1998185, 2376220, 2512004, 3140005, 3996370, 4396007, 6280010, 7992740, 8792014, 12560020, 17584028, 21980035, 43960070, 87920140]

約数ペア:

[(1, 87920140), (2, 43960070), (4, 21980035), (5, 17584028), (7, 12560020), (10, 8792014), (11, 7992740), (14, 6280010), (20, 4396007), (22, 3996370), (28, 3140005), (35, 2512004), (37, 2376220), (44, 1998185), (55, 1598548), (70, 1256002), (74, 1188110), (77, 1141820), (110, 799274), (140, 628001), (148, 594055), (154, 570910), (185, 475244), (220, 399637), (259, 339460), (308, 285455), (370, 237622), (385, 228364), (407, 216020), (518, 169730), (740, 118811), (770, 114182), (814, 108010), (1036, 84865), (1295, 67892), (1540, 57091), (1543, 56980), (1628, 54005), (2035, 43204), (2590, 33946), (2849, 30860), (3086, 28490), (4070, 21602), (5180, 16973), (5698, 15430), (6172, 14245), (7715, 11396), (8140, 10801)]