147006920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 344736000

約数和(自身を除く): 197729080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1399, 1420, 1480, 2627, 2798, 2840, 5254, 5596, 6995, 10508, 11192, 13135, 13990, 21016, 26270, 27980, 51763, 52540, 55960, 99329, 103526, 105080, 198658, 207052, 258815, 397316, 414104, 496645, 517630, 794632, 993290, 1035260, 1986580, 2070520, 3675173, 3973160, 7350346, 14700692, 18375865, 29401384, 36751730, 73503460, 147006920]

約数ペア:

[(1, 147006920), (2, 73503460), (4, 36751730), (5, 29401384), (8, 18375865), (10, 14700692), (20, 7350346), (37, 3973160), (40, 3675173), (71, 2070520), (74, 1986580), (142, 1035260), (148, 993290), (185, 794632), (284, 517630), (296, 496645), (355, 414104), (370, 397316), (568, 258815), (710, 207052), (740, 198658), (1399, 105080), (1420, 103526), (1480, 99329), (2627, 55960), (2798, 52540), (2840, 51763), (5254, 27980), (5596, 26270), (6995, 21016), (10508, 13990), (11192, 13135)]