249261080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1123}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 582681600

約数和(自身を除く): 333420520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 620, 716, 895, 1123, 1240, 1432, 1790, 2246, 3580, 4492, 5549, 5615, 7160, 8984, 11098, 11230, 22196, 22460, 27745, 34813, 44392, 44920, 55490, 69626, 110980, 139252, 174065, 201017, 221960, 278504, 348130, 402034, 696260, 804068, 1005085, 1392520, 1608136, 2010170, 4020340, 6231527, 8040680, 12463054, 24926108, 31157635, 49852216, 62315270, 124630540, 249261080]

約数ペア:

[(1, 249261080), (2, 124630540), (4, 62315270), (5, 49852216), (8, 31157635), (10, 24926108), (20, 12463054), (31, 8040680), (40, 6231527), (62, 4020340), (124, 2010170), (155, 1608136), (179, 1392520), (248, 1005085), (310, 804068), (358, 696260), (620, 402034), (716, 348130), (895, 278504), (1123, 221960), (1240, 201017), (1432, 174065), (1790, 139252), (2246, 110980), (3580, 69626), (4492, 55490), (5549, 44920), (5615, 44392), (7160, 34813), (8984, 27745), (11098, 22460), (11230, 22196)]