138820220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:963

約数の個数: 96

約数和(自身を含む): 367234560

約数和(自身を除く): 228414340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 140, 154, 218, 220, 308, 385, 436, 545, 763, 770, 827, 1090, 1199, 1526, 1540, 1654, 2180, 2398, 3052, 3308, 3815, 4135, 4796, 5789, 5995, 7630, 8270, 8393, 9097, 11578, 11990, 15260, 16540, 16786, 18194, 23156, 23980, 28945, 33572, 36388, 41965, 45485, 57890, 63679, 83930, 90143, 90970, 115780, 127358, 167860, 180286, 181940, 254716, 318395, 360572, 450715, 631001, 636790, 901430, 991573, 1262002, 1273580, 1802860, 1983146, 2524004, 3155005, 3966292, 4957865, 6310010, 6941011, 9915730, 12620020, 13882022, 19831460, 27764044, 34705055, 69410110, 138820220]

約数ペア:

[(1, 138820220), (2, 69410110), (4, 34705055), (5, 27764044), (7, 19831460), (10, 13882022), (11, 12620020), (14, 9915730), (20, 6941011), (22, 6310010), (28, 4957865), (35, 3966292), (44, 3155005), (55, 2524004), (70, 1983146), (77, 1802860), (109, 1273580), (110, 1262002), (140, 991573), (154, 901430), (218, 636790), (220, 631001), (308, 450715), (385, 360572), (436, 318395), (545, 254716), (763, 181940), (770, 180286), (827, 167860), (1090, 127358), (1199, 115780), (1526, 90970), (1540, 90143), (1654, 83930), (2180, 63679), (2398, 57890), (3052, 45485), (3308, 41965), (3815, 36388), (4135, 33572), (4796, 28945), (5789, 23980), (5995, 23156), (7630, 18194), (8270, 16786), (8393, 16540), (9097, 15260), (11578, 11990)]