213966420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209771}}^1$

素因数の和:209800

約数の個数: 48

約数和(自身を含む): 634350528

約数和(自身を除く): 420384108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 209771, 419542, 629313, 839084, 1048855, 1258626, 2097710, 2517252, 3146565, 3566107, 4195420, 6293130, 7132214, 10698321, 12586260, 14264428, 17830535, 21396642, 35661070, 42793284, 53491605, 71322140, 106983210, 213966420]

約数ペア:

[(1, 213966420), (2, 106983210), (3, 71322140), (4, 53491605), (5, 42793284), (6, 35661070), (10, 21396642), (12, 17830535), (15, 14264428), (17, 12586260), (20, 10698321), (30, 7132214), (34, 6293130), (51, 4195420), (60, 3566107), (68, 3146565), (85, 2517252), (102, 2097710), (170, 1258626), (204, 1048855), (255, 839084), (340, 629313), (510, 419542), (1020, 209771)]