3891580

素因数分解:

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

素因数の和:72

約数の個数: 108

約数和(自身を含む): 10945368

約数和(自身を除く): 7053788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 361, 380, 385, 418, 490, 532, 539, 665, 722, 770, 836, 931, 980, 1045, 1078, 1330, 1444, 1463, 1540, 1805, 1862, 2090, 2156, 2527, 2660, 2695, 2926, 3610, 3724, 3971, 4180, 4655, 5054, 5390, 5852, 7220, 7315, 7942, 9310, 10108, 10241, 10780, 12635, 14630, 15884, 17689, 18620, 19855, 20482, 25270, 27797, 29260, 35378, 39710, 40964, 50540, 51205, 55594, 70756, 79420, 88445, 102410, 111188, 138985, 176890, 194579, 204820, 277970, 353780, 389158, 555940, 778316, 972895, 1945790, 3891580]

約数ペア:

[(1, 3891580), (2, 1945790), (4, 972895), (5, 778316), (7, 555940), (10, 389158), (11, 353780), (14, 277970), (19, 204820), (20, 194579), (22, 176890), (28, 138985), (35, 111188), (38, 102410), (44, 88445), (49, 79420), (55, 70756), (70, 55594), (76, 51205), (77, 50540), (95, 40964), (98, 39710), (110, 35378), (133, 29260), (140, 27797), (154, 25270), (190, 20482), (196, 19855), (209, 18620), (220, 17689), (245, 15884), (266, 14630), (308, 12635), (361, 10780), (380, 10241), (385, 10108), (418, 9310), (490, 7942), (532, 7315), (539, 7220), (665, 5852), (722, 5390), (770, 5054), (836, 4655), (931, 4180), (980, 3971), (1045, 3724), (1078, 3610), (1330, 2926), (1444, 2695), (1463, 2660), (1540, 2527), (1805, 2156), (1862, 2090)]