40280380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{797}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 102156768

約数和(自身を除く): 61876388

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 797, 1330, 1444, 1594, 1805, 2527, 2660, 3188, 3610, 3985, 5054, 5579, 7220, 7970, 10108, 11158, 12635, 15143, 15940, 22316, 25270, 27895, 30286, 50540, 55790, 60572, 75715, 106001, 111580, 151430, 212002, 287717, 302860, 424004, 530005, 575434, 1060010, 1150868, 1438585, 2014019, 2120020, 2877170, 4028038, 5754340, 8056076, 10070095, 20140190, 40280380]

約数ペア:

[(1, 40280380), (2, 20140190), (4, 10070095), (5, 8056076), (7, 5754340), (10, 4028038), (14, 2877170), (19, 2120020), (20, 2014019), (28, 1438585), (35, 1150868), (38, 1060010), (70, 575434), (76, 530005), (95, 424004), (133, 302860), (140, 287717), (190, 212002), (266, 151430), (361, 111580), (380, 106001), (532, 75715), (665, 60572), (722, 55790), (797, 50540), (1330, 30286), (1444, 27895), (1594, 25270), (1805, 22316), (2527, 15940), (2660, 15143), (3188, 12635), (3610, 11158), (3985, 10108), (5054, 7970), (5579, 7220)]