217872272240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389057629}}^1$

素因数の和:389057649

約数の個数: 40

約数和(自身を含む): 578917753440

約数和(自身を除く): 361045481200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 389057629, 778115258, 1556230516, 1945288145, 2723403403, 3112461032, 3890576290, 5446806806, 6224922064, 7781152580, 10893613612, 13617017015, 15562305160, 21787227224, 27234034030, 31124610320, 43574454448, 54468068060, 108936136120, 217872272240]

約数ペア:

[(1, 217872272240), (2, 108936136120), (4, 54468068060), (5, 43574454448), (7, 31124610320), (8, 27234034030), (10, 21787227224), (14, 15562305160), (16, 13617017015), (20, 10893613612), (28, 7781152580), (35, 6224922064), (40, 5446806806), (56, 3890576290), (70, 3112461032), (80, 2723403403), (112, 1945288145), (140, 1556230516), (280, 778115258), (560, 389057629)]