129969650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 251674368

約数和(自身を除く): 121704718

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 215, 305, 430, 610, 991, 1075, 1525, 1982, 2150, 2623, 3050, 4955, 5246, 9910, 13115, 24775, 26230, 42613, 49550, 60451, 65575, 85226, 120902, 131150, 213065, 302255, 426130, 604510, 1065325, 1511275, 2130650, 2599393, 3022550, 5198786, 12996965, 25993930, 64984825, 129969650]

約数ペア:

[(1, 129969650), (2, 64984825), (5, 25993930), (10, 12996965), (25, 5198786), (43, 3022550), (50, 2599393), (61, 2130650), (86, 1511275), (122, 1065325), (215, 604510), (305, 426130), (430, 302255), (610, 213065), (991, 131150), (1075, 120902), (1525, 85226), (1982, 65575), (2150, 60451), (2623, 49550), (3050, 42613), (4955, 26230), (5246, 24775), (9910, 13115)]