719499340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 1855369152

約数和(自身を除く): 1135869812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 137, 140, 161, 196, 230, 233, 245, 274, 322, 460, 466, 490, 548, 644, 685, 805, 932, 959, 980, 1127, 1165, 1370, 1610, 1631, 1918, 2254, 2330, 2740, 3151, 3220, 3262, 3836, 4508, 4660, 4795, 5359, 5635, 6302, 6524, 6713, 8155, 9590, 10718, 11270, 11417, 12604, 13426, 15755, 16310, 19180, 21436, 22057, 22540, 22834, 26795, 26852, 31510, 31921, 32620, 33565, 37513, 44114, 45668, 53590, 57085, 63020, 63842, 67130, 75026, 88228, 107180, 110285, 114170, 127684, 134260, 150052, 154399, 159605, 187565, 220570, 223447, 228340, 262591, 308798, 319210, 375130, 441140, 446894, 525182, 617596, 638420, 734183, 750260, 771995, 893788, 1050364, 1117235, 1312955, 1468366, 1543990, 1564129, 2234470, 2625910, 2936732, 3087980, 3128258, 3670915, 4468940, 5139281, 5251820, 6256516, 7341830, 7820645, 10278562, 14683660, 15641290, 20557124, 25696405, 31282580, 35974967, 51392810, 71949934, 102785620, 143899868, 179874835, 359749670, 719499340]

約数ペア:

[(1, 719499340), (2, 359749670), (4, 179874835), (5, 143899868), (7, 102785620), (10, 71949934), (14, 51392810), (20, 35974967), (23, 31282580), (28, 25696405), (35, 20557124), (46, 15641290), (49, 14683660), (70, 10278562), (92, 7820645), (98, 7341830), (115, 6256516), (137, 5251820), (140, 5139281), (161, 4468940), (196, 3670915), (230, 3128258), (233, 3087980), (245, 2936732), (274, 2625910), (322, 2234470), (460, 1564129), (466, 1543990), (490, 1468366), (548, 1312955), (644, 1117235), (685, 1050364), (805, 893788), (932, 771995), (959, 750260), (980, 734183), (1127, 638420), (1165, 617596), (1370, 525182), (1610, 446894), (1631, 441140), (1918, 375130), (2254, 319210), (2330, 308798), (2740, 262591), (3151, 228340), (3220, 223447), (3262, 220570), (3836, 187565), (4508, 159605), (4660, 154399), (4795, 150052), (5359, 134260), (5635, 127684), (6302, 114170), (6524, 110285), (6713, 107180), (8155, 88228), (9590, 75026), (10718, 67130), (11270, 63842), (11417, 63020), (12604, 57085), (13426, 53590), (15755, 45668), (16310, 44114), (19180, 37513), (21436, 33565), (22057, 32620), (22540, 31921), (22834, 31510), (26795, 26852)]