156966516020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{19841}}^1$

素因数の和:20169

約数の個数: 96

約数和(自身を含む): 352012953600

約数和(自身を除く): 195046437580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 191, 218, 380, 382, 436, 545, 764, 955, 1090, 1910, 2071, 2180, 3629, 3820, 4142, 7258, 8284, 10355, 14516, 18145, 19841, 20710, 20819, 36290, 39682, 41420, 41638, 72580, 79364, 83276, 99205, 104095, 198410, 208190, 376979, 395561, 396820, 416380, 753958, 791122, 1507916, 1582244, 1884895, 1977805, 2162669, 3769790, 3789631, 3955610, 4325338, 7539580, 7579262, 7911220, 8650676, 10813345, 15158524, 18948155, 21626690, 37896310, 41090711, 43253380, 72002989, 75792620, 82181422, 144005978, 164362844, 205453555, 288011956, 360014945, 410907110, 413069779, 720029890, 821814220, 826139558, 1440059780, 1652279116, 2065348895, 4130697790, 7848325801, 8261395580, 15696651602, 31393303204, 39241629005, 78483258010, 156966516020]

約数ペア:

[(1, 156966516020), (2, 78483258010), (4, 39241629005), (5, 31393303204), (10, 15696651602), (19, 8261395580), (20, 7848325801), (38, 4130697790), (76, 2065348895), (95, 1652279116), (109, 1440059780), (190, 826139558), (191, 821814220), (218, 720029890), (380, 413069779), (382, 410907110), (436, 360014945), (545, 288011956), (764, 205453555), (955, 164362844), (1090, 144005978), (1910, 82181422), (2071, 75792620), (2180, 72002989), (3629, 43253380), (3820, 41090711), (4142, 37896310), (7258, 21626690), (8284, 18948155), (10355, 15158524), (14516, 10813345), (18145, 8650676), (19841, 7911220), (20710, 7579262), (20819, 7539580), (36290, 4325338), (39682, 3955610), (41420, 3789631), (41638, 3769790), (72580, 2162669), (79364, 1977805), (83276, 1884895), (99205, 1582244), (104095, 1507916), (198410, 791122), (208190, 753958), (376979, 416380), (395561, 396820)]