189989940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1877}}^1$

素因数の和:2137

約数の個数: 96

約数和(自身を含む): 610815744

約数和(自身を除く): 420825804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 420, 482, 723, 964, 1205, 1446, 1687, 1877, 2410, 2892, 3374, 3615, 3754, 4820, 5061, 5631, 6748, 7230, 7508, 8435, 9385, 10122, 11262, 13139, 14460, 16870, 18770, 20244, 22524, 25305, 26278, 28155, 33740, 37540, 39417, 50610, 52556, 56310, 65695, 78834, 101220, 112620, 131390, 157668, 197085, 262780, 394170, 452357, 788340, 904714, 1357071, 1809428, 2261785, 2714142, 3166499, 4523570, 5428284, 6332998, 6785355, 9047140, 9499497, 12665996, 13570710, 15832495, 18998994, 27141420, 31664990, 37997988, 47497485, 63329980, 94994970, 189989940]

約数ペア:

[(1, 189989940), (2, 94994970), (3, 63329980), (4, 47497485), (5, 37997988), (6, 31664990), (7, 27141420), (10, 18998994), (12, 15832495), (14, 13570710), (15, 12665996), (20, 9499497), (21, 9047140), (28, 6785355), (30, 6332998), (35, 5428284), (42, 4523570), (60, 3166499), (70, 2714142), (84, 2261785), (105, 1809428), (140, 1357071), (210, 904714), (241, 788340), (420, 452357), (482, 394170), (723, 262780), (964, 197085), (1205, 157668), (1446, 131390), (1687, 112620), (1877, 101220), (2410, 78834), (2892, 65695), (3374, 56310), (3615, 52556), (3754, 50610), (4820, 39417), (5061, 37540), (5631, 33740), (6748, 28155), (7230, 26278), (7508, 25305), (8435, 22524), (9385, 20244), (10122, 18770), (11262, 16870), (13139, 14460)]