311286920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{30047}}^1$

素因数の和:30102

約数の個数: 64

約数和(自身を含む): 822113280

約数和(自身を除く): 510826360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 30047, 60094, 120188, 150235, 210329, 240376, 300470, 420658, 600940, 841316, 1051645, 1111739, 1201880, 1682632, 2103290, 2223478, 4206580, 4446956, 5558695, 7782173, 8413160, 8893912, 11117390, 15564346, 22234780, 31128692, 38910865, 44469560, 62257384, 77821730, 155643460, 311286920]

約数ペア:

[(1, 311286920), (2, 155643460), (4, 77821730), (5, 62257384), (7, 44469560), (8, 38910865), (10, 31128692), (14, 22234780), (20, 15564346), (28, 11117390), (35, 8893912), (37, 8413160), (40, 7782173), (56, 5558695), (70, 4446956), (74, 4206580), (140, 2223478), (148, 2103290), (185, 1682632), (259, 1201880), (280, 1111739), (296, 1051645), (370, 841316), (518, 600940), (740, 420658), (1036, 300470), (1295, 240376), (1480, 210329), (2072, 150235), (2590, 120188), (5180, 60094), (10360, 30047)]