83147820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197971}}^1$

素因数の和:197990

約数の個数: 48

約数和(自身を含む): 266074368

約数和(自身を除く): 182926548

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, 420, 197971, 395942, 593913, 791884, 989855, 1187826, 1385797, 1979710, 2375652, 2771594, 2969565, 3959420, 4157391, 5543188, 5939130, 6928985, 8314782, 11878260, 13857970, 16629564, 20786955, 27715940, 41573910, 83147820]

約数ペア:

[(1, 83147820), (2, 41573910), (3, 27715940), (4, 20786955), (5, 16629564), (6, 13857970), (7, 11878260), (10, 8314782), (12, 6928985), (14, 5939130), (15, 5543188), (20, 4157391), (21, 3959420), (28, 2969565), (30, 2771594), (35, 2375652), (42, 1979710), (60, 1385797), (70, 1187826), (84, 989855), (105, 791884), (140, 593913), (210, 395942), (420, 197971)]