878903620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{29753}}^1$

素因数の和:29980

約数の個数: 48

約数和(自身を含む): 2119436928

約数和(自身を除く): 1240533308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 29753, 59506, 119012, 148765, 208271, 297530, 416542, 595060, 833084, 1041355, 2082710, 4165420, 6277883, 12555766, 25111532, 31389415, 43945181, 62778830, 87890362, 125557660, 175780724, 219725905, 439451810, 878903620]

約数ペア:

[(1, 878903620), (2, 439451810), (4, 219725905), (5, 175780724), (7, 125557660), (10, 87890362), (14, 62778830), (20, 43945181), (28, 31389415), (35, 25111532), (70, 12555766), (140, 6277883), (211, 4165420), (422, 2082710), (844, 1041355), (1055, 833084), (1477, 595060), (2110, 416542), (2954, 297530), (4220, 208271), (5908, 148765), (7385, 119012), (14770, 59506), (29540, 29753)]