76728820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 197503488

約数和(自身を除く): 120774668

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 103, 119, 140, 170, 206, 238, 313, 340, 412, 476, 515, 595, 626, 721, 1030, 1190, 1252, 1442, 1565, 1751, 2060, 2191, 2380, 2884, 3130, 3502, 3605, 4382, 5321, 6260, 7004, 7210, 8755, 8764, 10642, 10955, 12257, 14420, 17510, 21284, 21910, 24514, 26605, 32239, 35020, 37247, 43820, 49028, 53210, 61285, 64478, 74494, 106420, 122570, 128956, 148988, 161195, 186235, 225673, 245140, 322390, 372470, 451346, 548063, 644780, 744940, 902692, 1096126, 1128365, 2192252, 2256730, 2740315, 3836441, 4513460, 5480630, 7672882, 10961260, 15345764, 19182205, 38364410, 76728820]

約数ペア:

[(1, 76728820), (2, 38364410), (4, 19182205), (5, 15345764), (7, 10961260), (10, 7672882), (14, 5480630), (17, 4513460), (20, 3836441), (28, 2740315), (34, 2256730), (35, 2192252), (68, 1128365), (70, 1096126), (85, 902692), (103, 744940), (119, 644780), (140, 548063), (170, 451346), (206, 372470), (238, 322390), (313, 245140), (340, 225673), (412, 186235), (476, 161195), (515, 148988), (595, 128956), (626, 122570), (721, 106420), (1030, 74494), (1190, 64478), (1252, 61285), (1442, 53210), (1565, 49028), (1751, 43820), (2060, 37247), (2191, 35020), (2380, 32239), (2884, 26605), (3130, 24514), (3502, 21910), (3605, 21284), (4382, 17510), (5321, 14420), (6260, 12257), (7004, 10955), (7210, 10642), (8755, 8764)]