138960870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1861}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 353928960

約数和(自身を除く): 214968090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 262, 285, 393, 570, 655, 786, 1310, 1861, 1965, 2489, 3722, 3930, 4978, 5583, 7467, 9305, 11166, 12445, 14934, 18610, 24890, 27915, 35359, 37335, 55830, 70718, 74670, 106077, 176795, 212154, 243791, 353590, 487582, 530385, 731373, 1060770, 1218955, 1462746, 2437910, 3656865, 4632029, 7313730, 9264058, 13896087, 23160145, 27792174, 46320290, 69480435, 138960870]

約数ペア:

[(1, 138960870), (2, 69480435), (3, 46320290), (5, 27792174), (6, 23160145), (10, 13896087), (15, 9264058), (19, 7313730), (30, 4632029), (38, 3656865), (57, 2437910), (95, 1462746), (114, 1218955), (131, 1060770), (190, 731373), (262, 530385), (285, 487582), (393, 353590), (570, 243791), (655, 212154), (786, 176795), (1310, 106077), (1861, 74670), (1965, 70718), (2489, 55830), (3722, 37335), (3930, 35359), (4978, 27915), (5583, 24890), (7467, 18610), (9305, 14934), (11166, 12445)]