81200350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 201522816

約数和(自身を除く): 120322466

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 49, 50, 55, 70, 77, 98, 110, 115, 131, 154, 161, 175, 230, 245, 253, 262, 275, 322, 350, 385, 490, 506, 539, 550, 575, 655, 770, 805, 917, 1078, 1127, 1150, 1225, 1265, 1310, 1441, 1610, 1771, 1834, 1925, 2254, 2450, 2530, 2695, 2882, 3013, 3275, 3542, 3850, 4025, 4585, 5390, 5635, 6026, 6325, 6419, 6550, 7205, 8050, 8855, 9170, 10087, 11270, 12397, 12650, 12838, 13475, 14410, 15065, 17710, 20174, 21091, 22925, 24794, 26950, 28175, 30130, 32095, 33143, 36025, 42182, 44275, 45850, 50435, 56350, 61985, 64190, 66286, 70609, 72050, 75325, 88550, 100870, 105455, 123970, 141218, 147637, 150650, 160475, 165715, 210910, 232001, 252175, 295274, 309925, 320950, 331430, 353045, 464002, 504350, 527275, 619850, 706090, 738185, 828575, 1054550, 1160005, 1476370, 1624007, 1657150, 1765225, 2320010, 3248014, 3530450, 3690925, 5800025, 7381850, 8120035, 11600050, 16240070, 40600175, 81200350]

約数ペア:

[(1, 81200350), (2, 40600175), (5, 16240070), (7, 11600050), (10, 8120035), (11, 7381850), (14, 5800025), (22, 3690925), (23, 3530450), (25, 3248014), (35, 2320010), (46, 1765225), (49, 1657150), (50, 1624007), (55, 1476370), (70, 1160005), (77, 1054550), (98, 828575), (110, 738185), (115, 706090), (131, 619850), (154, 527275), (161, 504350), (175, 464002), (230, 353045), (245, 331430), (253, 320950), (262, 309925), (275, 295274), (322, 252175), (350, 232001), (385, 210910), (490, 165715), (506, 160475), (539, 150650), (550, 147637), (575, 141218), (655, 123970), (770, 105455), (805, 100870), (917, 88550), (1078, 75325), (1127, 72050), (1150, 70609), (1225, 66286), (1265, 64190), (1310, 61985), (1441, 56350), (1610, 50435), (1771, 45850), (1834, 44275), (1925, 42182), (2254, 36025), (2450, 33143), (2530, 32095), (2695, 30130), (2882, 28175), (3013, 26950), (3275, 24794), (3542, 22925), (3850, 21091), (4025, 20174), (4585, 17710), (5390, 15065), (5635, 14410), (6026, 13475), (6325, 12838), (6419, 12650), (6550, 12397), (7205, 11270), (8050, 10087), (8855, 9170)]