9990390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 26749440

約数和(自身を除く): 16759050

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1031, 1615, 1938, 2062, 3093, 3230, 4845, 5155, 6186, 9690, 10310, 15465, 17527, 19589, 30930, 35054, 39178, 52581, 58767, 87635, 97945, 105162, 117534, 175270, 195890, 262905, 293835, 333013, 525810, 587670, 666026, 999039, 1665065, 1998078, 3330130, 4995195, 9990390]

約数ペア:

[(1, 9990390), (2, 4995195), (3, 3330130), (5, 1998078), (6, 1665065), (10, 999039), (15, 666026), (17, 587670), (19, 525810), (30, 333013), (34, 293835), (38, 262905), (51, 195890), (57, 175270), (85, 117534), (95, 105162), (102, 97945), (114, 87635), (170, 58767), (190, 52581), (255, 39178), (285, 35054), (323, 30930), (510, 19589), (570, 17527), (646, 15465), (969, 10310), (1031, 9690), (1615, 6186), (1938, 5155), (2062, 4845), (3093, 3230)]