390236990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8803}}^1$

素因数の和:8865

約数の個数: 64

約数和(自身を含む): 851945472

約数和(自身を除く): 461708482

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 8803, 8866, 17606, 22165, 44015, 44330, 88030, 96833, 114439, 193666, 228878, 272893, 484165, 545786, 572195, 968330, 1144390, 1258829, 1364465, 2517658, 2728930, 3001823, 3547609, 6003646, 6294145, 7095218, 12588290, 15009115, 17738045, 30018230, 35476090, 39023699, 78047398, 195118495, 390236990]

約数ペア:

[(1, 390236990), (2, 195118495), (5, 78047398), (10, 39023699), (11, 35476090), (13, 30018230), (22, 17738045), (26, 15009115), (31, 12588290), (55, 7095218), (62, 6294145), (65, 6003646), (110, 3547609), (130, 3001823), (143, 2728930), (155, 2517658), (286, 1364465), (310, 1258829), (341, 1144390), (403, 968330), (682, 572195), (715, 545786), (806, 484165), (1430, 272893), (1705, 228878), (2015, 193666), (3410, 114439), (4030, 96833), (4433, 88030), (8803, 44330), (8866, 44015), (17606, 22165)]