2016181900

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 4423779360

約数和(自身を除く): 2407597460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 269, 311, 482, 538, 622, 964, 1076, 1205, 1244, 1345, 1555, 2410, 2690, 3110, 4820, 5380, 6025, 6220, 6725, 7775, 12050, 13450, 15550, 24100, 26900, 31100, 64829, 74951, 83659, 129658, 149902, 167318, 259316, 299804, 324145, 334636, 374755, 418295, 648290, 749510, 836590, 1296580, 1499020, 1620725, 1673180, 1873775, 2091475, 3241450, 3747550, 4182950, 6482900, 7495100, 8365900, 20161819, 40323638, 80647276, 100809095, 201618190, 403236380, 504045475, 1008090950, 2016181900]

約数ペア:

[(1, 2016181900), (2, 1008090950), (4, 504045475), (5, 403236380), (10, 201618190), (20, 100809095), (25, 80647276), (50, 40323638), (100, 20161819), (241, 8365900), (269, 7495100), (311, 6482900), (482, 4182950), (538, 3747550), (622, 3241450), (964, 2091475), (1076, 1873775), (1205, 1673180), (1244, 1620725), (1345, 1499020), (1555, 1296580), (2410, 836590), (2690, 749510), (3110, 648290), (4820, 418295), (5380, 374755), (6025, 334636), (6220, 324145), (6725, 299804), (7775, 259316), (12050, 167318), (13450, 149902), (15550, 129658), (24100, 83659), (26900, 74951), (31100, 64829)]