1395366920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2861}}^1$

素因数の和:3098

約数の個数: 64

約数和(自身を含む): 3199143600

約数和(自身を除く): 1803776680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 178, 274, 356, 445, 548, 685, 712, 890, 1096, 1370, 1780, 2740, 2861, 3560, 5480, 5722, 11444, 12193, 14305, 22888, 24386, 28610, 48772, 57220, 60965, 97544, 114440, 121930, 243860, 254629, 391957, 487720, 509258, 783914, 1018516, 1273145, 1567828, 1959785, 2037032, 2546290, 3135656, 3919570, 5092580, 7839140, 10185160, 15678280, 34884173, 69768346, 139536692, 174420865, 279073384, 348841730, 697683460, 1395366920]

約数ペア:

[(1, 1395366920), (2, 697683460), (4, 348841730), (5, 279073384), (8, 174420865), (10, 139536692), (20, 69768346), (40, 34884173), (89, 15678280), (137, 10185160), (178, 7839140), (274, 5092580), (356, 3919570), (445, 3135656), (548, 2546290), (685, 2037032), (712, 1959785), (890, 1567828), (1096, 1273145), (1370, 1018516), (1780, 783914), (2740, 509258), (2861, 487720), (3560, 391957), (5480, 254629), (5722, 243860), (11444, 121930), (12193, 114440), (14305, 97544), (22888, 60965), (24386, 57220), (28610, 48772)]