420845535

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1613

約数の個数: 96

約数和(自身を含む): 867110400

約数和(自身を除く): 446264865

約数列:

[1, 3, 5, 9, 11, 15, 19, 29, 33, 45, 55, 57, 87, 95, 99, 145, 165, 171, 209, 261, 285, 319, 435, 495, 551, 627, 855, 957, 1045, 1305, 1543, 1595, 1653, 1881, 2755, 2871, 3135, 4629, 4785, 4959, 6061, 7715, 8265, 9405, 13887, 14355, 16973, 18183, 23145, 24795, 29317, 30305, 44747, 50919, 54549, 69435, 84865, 87951, 90915, 134241, 146585, 152757, 223735, 254595, 263853, 272745, 322487, 402723, 439755, 492217, 671205, 763785, 850193, 967461, 1319265, 1476651, 1612435, 2013615, 2461085, 2550579, 2902383, 4250965, 4429953, 4837305, 7383255, 7651737, 9352123, 12752895, 14511915, 22149765, 28056369, 38258685, 46760615, 84169107, 140281845, 420845535]

約数ペア:

[(1, 420845535), (3, 140281845), (5, 84169107), (9, 46760615), (11, 38258685), (15, 28056369), (19, 22149765), (29, 14511915), (33, 12752895), (45, 9352123), (55, 7651737), (57, 7383255), (87, 4837305), (95, 4429953), (99, 4250965), (145, 2902383), (165, 2550579), (171, 2461085), (209, 2013615), (261, 1612435), (285, 1476651), (319, 1319265), (435, 967461), (495, 850193), (551, 763785), (627, 671205), (855, 492217), (957, 439755), (1045, 402723), (1305, 322487), (1543, 272745), (1595, 263853), (1653, 254595), (1881, 223735), (2755, 152757), (2871, 146585), (3135, 134241), (4629, 90915), (4785, 87951), (4959, 84865), (6061, 69435), (7715, 54549), (8265, 50919), (9405, 44747), (13887, 30305), (14355, 29317), (16973, 24795), (18183, 23145)]