9450980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 27651456

約数和(自身を除く): 18200476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 19, 20, 22, 28, 34, 35, 38, 44, 55, 68, 70, 76, 77, 85, 95, 110, 119, 133, 140, 154, 170, 187, 190, 209, 220, 238, 266, 308, 323, 340, 361, 374, 380, 385, 418, 476, 532, 595, 646, 665, 722, 748, 770, 836, 935, 1045, 1190, 1292, 1309, 1330, 1444, 1463, 1540, 1615, 1805, 1870, 2090, 2261, 2380, 2527, 2618, 2660, 2926, 3230, 3553, 3610, 3740, 3971, 4180, 4522, 5054, 5236, 5852, 6137, 6460, 6545, 7106, 7220, 7315, 7942, 9044, 10108, 11305, 12274, 12635, 13090, 14212, 14630, 15884, 17765, 19855, 22610, 24548, 24871, 25270, 26180, 27797, 29260, 30685, 35530, 39710, 42959, 45220, 49742, 50540, 55594, 61370, 67507, 71060, 79420, 85918, 99484, 111188, 122740, 124355, 135014, 138985, 171836, 214795, 248710, 270028, 277970, 337535, 429590, 472549, 497420, 555940, 675070, 859180, 945098, 1350140, 1890196, 2362745, 4725490, 9450980]

約数ペア:

[(1, 9450980), (2, 4725490), (4, 2362745), (5, 1890196), (7, 1350140), (10, 945098), (11, 859180), (14, 675070), (17, 555940), (19, 497420), (20, 472549), (22, 429590), (28, 337535), (34, 277970), (35, 270028), (38, 248710), (44, 214795), (55, 171836), (68, 138985), (70, 135014), (76, 124355), (77, 122740), (85, 111188), (95, 99484), (110, 85918), (119, 79420), (133, 71060), (140, 67507), (154, 61370), (170, 55594), (187, 50540), (190, 49742), (209, 45220), (220, 42959), (238, 39710), (266, 35530), (308, 30685), (323, 29260), (340, 27797), (361, 26180), (374, 25270), (380, 24871), (385, 24548), (418, 22610), (476, 19855), (532, 17765), (595, 15884), (646, 14630), (665, 14212), (722, 13090), (748, 12635), (770, 12274), (836, 11305), (935, 10108), (1045, 9044), (1190, 7942), (1292, 7315), (1309, 7220), (1330, 7106), (1444, 6545), (1463, 6460), (1540, 6137), (1615, 5852), (1805, 5236), (1870, 5054), (2090, 4522), (2261, 4180), (2380, 3971), (2527, 3740), (2618, 3610), (2660, 3553), (2926, 3230)]