478890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 1322568

約数和(自身を除く): 843678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 313, 510, 626, 765, 939, 1530, 1565, 1878, 2817, 3130, 4695, 5321, 5634, 9390, 10642, 14085, 15963, 26605, 28170, 31926, 47889, 53210, 79815, 95778, 159630, 239445, 478890]

約数ペア:

[(1, 478890), (2, 239445), (3, 159630), (5, 95778), (6, 79815), (9, 53210), (10, 47889), (15, 31926), (17, 28170), (18, 26605), (30, 15963), (34, 14085), (45, 10642), (51, 9390), (85, 5634), (90, 5321), (102, 4695), (153, 3130), (170, 2817), (255, 1878), (306, 1565), (313, 1530), (510, 939), (626, 765)]