204138280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 494324640

約数和(自身を除く): 290186360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 211, 268, 335, 361, 380, 422, 536, 670, 722, 760, 844, 1055, 1273, 1340, 1444, 1688, 1805, 2110, 2546, 2680, 2888, 3610, 4009, 4220, 5092, 6365, 7220, 8018, 8440, 10184, 12730, 14137, 14440, 16036, 20045, 24187, 25460, 28274, 32072, 40090, 48374, 50920, 56548, 70685, 76171, 80180, 96748, 113096, 120935, 141370, 152342, 160360, 193496, 241870, 268603, 282740, 304684, 380855, 483740, 537206, 565480, 609368, 761710, 967480, 1074412, 1343015, 1523420, 2148824, 2686030, 3046840, 5103457, 5372060, 10206914, 10744120, 20413828, 25517285, 40827656, 51034570, 102069140, 204138280]

約数ペア:

[(1, 204138280), (2, 102069140), (4, 51034570), (5, 40827656), (8, 25517285), (10, 20413828), (19, 10744120), (20, 10206914), (38, 5372060), (40, 5103457), (67, 3046840), (76, 2686030), (95, 2148824), (134, 1523420), (152, 1343015), (190, 1074412), (211, 967480), (268, 761710), (335, 609368), (361, 565480), (380, 537206), (422, 483740), (536, 380855), (670, 304684), (722, 282740), (760, 268603), (844, 241870), (1055, 193496), (1273, 160360), (1340, 152342), (1444, 141370), (1688, 120935), (1805, 113096), (2110, 96748), (2546, 80180), (2680, 76171), (2888, 70685), (3610, 56548), (4009, 50920), (4220, 48374), (5092, 40090), (6365, 32072), (7220, 28274), (8018, 25460), (8440, 24187), (10184, 20045), (12730, 16036), (14137, 14440)]