203790390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21031}}^1$

素因数の和:21077

約数の個数: 64

約数和(自身を含む): 545149440

約数和(自身を除く): 341359050

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, 1615, 1938, 3230, 4845, 9690, 21031, 42062, 63093, 105155, 126186, 210310, 315465, 357527, 399589, 630930, 715054, 799178, 1072581, 1198767, 1787635, 1997945, 2145162, 2397534, 3575270, 3995890, 5362905, 5993835, 6793013, 10725810, 11987670, 13586026, 20379039, 33965065, 40758078, 67930130, 101895195, 203790390]

約数ペア:

[(1, 203790390), (2, 101895195), (3, 67930130), (5, 40758078), (6, 33965065), (10, 20379039), (15, 13586026), (17, 11987670), (19, 10725810), (30, 6793013), (34, 5993835), (38, 5362905), (51, 3995890), (57, 3575270), (85, 2397534), (95, 2145162), (102, 1997945), (114, 1787635), (170, 1198767), (190, 1072581), (255, 799178), (285, 715054), (323, 630930), (510, 399589), (570, 357527), (646, 315465), (969, 210310), (1615, 126186), (1938, 105155), (3230, 63093), (4845, 42062), (9690, 21031)]