100928380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 255775968

約数和(自身を除く): 154847588

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 1997, 2527, 2660, 3610, 3994, 5054, 7220, 7988, 9985, 10108, 12635, 13979, 19970, 25270, 27958, 37943, 39940, 50540, 55916, 69895, 75886, 139790, 151772, 189715, 265601, 279580, 379430, 531202, 720917, 758860, 1062404, 1328005, 1441834, 2656010, 2883668, 3604585, 5046419, 5312020, 7209170, 10092838, 14418340, 20185676, 25232095, 50464190, 100928380]

約数ペア:

[(1, 100928380), (2, 50464190), (4, 25232095), (5, 20185676), (7, 14418340), (10, 10092838), (14, 7209170), (19, 5312020), (20, 5046419), (28, 3604585), (35, 2883668), (38, 2656010), (70, 1441834), (76, 1328005), (95, 1062404), (133, 758860), (140, 720917), (190, 531202), (266, 379430), (361, 279580), (380, 265601), (532, 189715), (665, 151772), (722, 139790), (1330, 75886), (1444, 69895), (1805, 55916), (1997, 50540), (2527, 39940), (2660, 37943), (3610, 27958), (3994, 25270), (5054, 19970), (7220, 13979), (7988, 12635), (9985, 10108)]