303412820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2927}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 655216128

約数和(自身を除く): 351803308

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 2927, 5183, 5854, 10366, 11708, 14635, 20732, 25915, 29270, 51830, 58540, 103660, 207817, 213671, 415634, 427342, 831268, 854684, 1039085, 1068355, 2078170, 2136710, 4156340, 4273420, 15170641, 30341282, 60682564, 75853205, 151706410, 303412820]

約数ペア:

[(1, 303412820), (2, 151706410), (4, 75853205), (5, 60682564), (10, 30341282), (20, 15170641), (71, 4273420), (73, 4156340), (142, 2136710), (146, 2078170), (284, 1068355), (292, 1039085), (355, 854684), (365, 831268), (710, 427342), (730, 415634), (1420, 213671), (1460, 207817), (2927, 103660), (5183, 58540), (5854, 51830), (10366, 29270), (11708, 25915), (14635, 20732)]