388660460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{7013}}^1$

素因数の和:7202

約数の個数: 48

約数和(自身を含む): 869623776

約数和(自身を除く): 480963316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2771, 3260, 5542, 7013, 11084, 13855, 14026, 27710, 28052, 35065, 55420, 70130, 119221, 140260, 238442, 476884, 596105, 1143119, 1192210, 2286238, 2384420, 4572476, 5715595, 11431190, 19433023, 22862380, 38866046, 77732092, 97165115, 194330230, 388660460]

約数ペア:

[(1, 388660460), (2, 194330230), (4, 97165115), (5, 77732092), (10, 38866046), (17, 22862380), (20, 19433023), (34, 11431190), (68, 5715595), (85, 4572476), (163, 2384420), (170, 2286238), (326, 1192210), (340, 1143119), (652, 596105), (815, 476884), (1630, 238442), (2771, 140260), (3260, 119221), (5542, 70130), (7013, 55420), (11084, 35065), (13855, 28052), (14026, 27710)]