203397520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 503324928

約数和(自身を除く): 299927408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 347, 431, 680, 694, 862, 1360, 1388, 1724, 1735, 2155, 2776, 3448, 3470, 4310, 5552, 5899, 6896, 6940, 7327, 8620, 11798, 13880, 14654, 17240, 23596, 27760, 29308, 29495, 34480, 36635, 47192, 58616, 58990, 73270, 94384, 117232, 117980, 146540, 149557, 235960, 293080, 299114, 471920, 586160, 598228, 747785, 1196456, 1495570, 2392912, 2542469, 2991140, 5084938, 5982280, 10169876, 11964560, 12712345, 20339752, 25424690, 40679504, 50849380, 101698760, 203397520]

約数ペア:

[(1, 203397520), (2, 101698760), (4, 50849380), (5, 40679504), (8, 25424690), (10, 20339752), (16, 12712345), (17, 11964560), (20, 10169876), (34, 5982280), (40, 5084938), (68, 2991140), (80, 2542469), (85, 2392912), (136, 1495570), (170, 1196456), (272, 747785), (340, 598228), (347, 586160), (431, 471920), (680, 299114), (694, 293080), (862, 235960), (1360, 149557), (1388, 146540), (1724, 117980), (1735, 117232), (2155, 94384), (2776, 73270), (3448, 58990), (3470, 58616), (4310, 47192), (5552, 36635), (5899, 34480), (6896, 29495), (6940, 29308), (7327, 27760), (8620, 23596), (11798, 17240), (13880, 14654)]