520402020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1697}}^1$

素因数の和:1997

約数の個数: 96

約数和(自身を含む): 1540425600

約数和(自身を除く): 1020023580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 269, 285, 380, 538, 570, 807, 1076, 1140, 1345, 1614, 1697, 2690, 3228, 3394, 4035, 5091, 5111, 5380, 6788, 8070, 8485, 10182, 10222, 15333, 16140, 16970, 20364, 20444, 25455, 25555, 30666, 32243, 33940, 50910, 51110, 61332, 64486, 76665, 96729, 101820, 102220, 128972, 153330, 161215, 193458, 306660, 322430, 386916, 456493, 483645, 644860, 912986, 967290, 1369479, 1825972, 1934580, 2282465, 2738958, 4564930, 5477916, 6847395, 8673367, 9129860, 13694790, 17346734, 26020101, 27389580, 34693468, 43366835, 52040202, 86733670, 104080404, 130100505, 173467340, 260201010, 520402020]

約数ペア:

[(1, 520402020), (2, 260201010), (3, 173467340), (4, 130100505), (5, 104080404), (6, 86733670), (10, 52040202), (12, 43366835), (15, 34693468), (19, 27389580), (20, 26020101), (30, 17346734), (38, 13694790), (57, 9129860), (60, 8673367), (76, 6847395), (95, 5477916), (114, 4564930), (190, 2738958), (228, 2282465), (269, 1934580), (285, 1825972), (380, 1369479), (538, 967290), (570, 912986), (807, 644860), (1076, 483645), (1140, 456493), (1345, 386916), (1614, 322430), (1697, 306660), (2690, 193458), (3228, 161215), (3394, 153330), (4035, 128972), (5091, 102220), (5111, 101820), (5380, 96729), (6788, 76665), (8070, 64486), (8485, 61332), (10182, 51110), (10222, 50910), (15333, 33940), (16140, 32243), (16970, 30666), (20364, 25555), (20444, 25455)]