55039880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 155105280

約数和(自身を除く): 100065400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 373, 434, 476, 527, 595, 620, 680, 746, 868, 952, 1054, 1085, 1190, 1240, 1492, 1736, 1865, 2108, 2170, 2380, 2611, 2635, 2984, 3689, 3730, 4216, 4340, 4760, 5222, 5270, 6341, 7378, 7460, 8680, 10444, 10540, 11563, 12682, 13055, 14756, 14920, 18445, 20888, 21080, 23126, 25364, 26110, 29512, 31705, 36890, 44387, 46252, 50728, 52220, 57815, 63410, 73780, 80941, 88774, 92504, 104440, 115630, 126820, 147560, 161882, 177548, 196571, 221935, 231260, 253640, 323764, 355096, 393142, 404705, 443870, 462520, 647528, 786284, 809410, 887740, 982855, 1375997, 1572568, 1618820, 1775480, 1965710, 2751994, 3237640, 3931420, 5503988, 6879985, 7862840, 11007976, 13759970, 27519940, 55039880]

約数ペア:

[(1, 55039880), (2, 27519940), (4, 13759970), (5, 11007976), (7, 7862840), (8, 6879985), (10, 5503988), (14, 3931420), (17, 3237640), (20, 2751994), (28, 1965710), (31, 1775480), (34, 1618820), (35, 1572568), (40, 1375997), (56, 982855), (62, 887740), (68, 809410), (70, 786284), (85, 647528), (119, 462520), (124, 443870), (136, 404705), (140, 393142), (155, 355096), (170, 323764), (217, 253640), (238, 231260), (248, 221935), (280, 196571), (310, 177548), (340, 161882), (373, 147560), (434, 126820), (476, 115630), (527, 104440), (595, 92504), (620, 88774), (680, 80941), (746, 73780), (868, 63410), (952, 57815), (1054, 52220), (1085, 50728), (1190, 46252), (1240, 44387), (1492, 36890), (1736, 31705), (1865, 29512), (2108, 26110), (2170, 25364), (2380, 23126), (2611, 21080), (2635, 20888), (2984, 18445), (3689, 14920), (3730, 14756), (4216, 13055), (4340, 12682), (4760, 11563), (5222, 10540), (5270, 10444), (6341, 8680), (7378, 7460)]