1555142800

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 3814209000

約数和(自身を除く): 2259066200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 149, 194, 200, 269, 298, 388, 400, 485, 538, 596, 745, 776, 970, 1076, 1192, 1345, 1490, 1552, 1940, 2152, 2384, 2425, 2690, 2980, 3725, 3880, 4304, 4850, 5380, 5960, 6725, 7450, 7760, 9700, 10760, 11920, 13450, 14453, 14900, 19400, 21520, 26093, 26900, 28906, 29800, 38800, 40081, 52186, 53800, 57812, 59600, 72265, 80162, 104372, 107600, 115624, 130465, 144530, 160324, 200405, 208744, 231248, 260930, 289060, 320648, 361325, 400810, 417488, 521860, 578120, 641296, 652325, 722650, 801620, 1002025, 1043720, 1156240, 1304650, 1445300, 1603240, 2004050, 2087440, 2609300, 2890600, 3206480, 3887857, 4008100, 5218600, 5781200, 7775714, 8016200, 10437200, 15551428, 16032400, 19439285, 31102856, 38878570, 62205712, 77757140, 97196425, 155514280, 194392850, 311028560, 388785700, 777571400, 1555142800]

約数ペア:

[(1, 1555142800), (2, 777571400), (4, 388785700), (5, 311028560), (8, 194392850), (10, 155514280), (16, 97196425), (20, 77757140), (25, 62205712), (40, 38878570), (50, 31102856), (80, 19439285), (97, 16032400), (100, 15551428), (149, 10437200), (194, 8016200), (200, 7775714), (269, 5781200), (298, 5218600), (388, 4008100), (400, 3887857), (485, 3206480), (538, 2890600), (596, 2609300), (745, 2087440), (776, 2004050), (970, 1603240), (1076, 1445300), (1192, 1304650), (1345, 1156240), (1490, 1043720), (1552, 1002025), (1940, 801620), (2152, 722650), (2384, 652325), (2425, 641296), (2690, 578120), (2980, 521860), (3725, 417488), (3880, 400810), (4304, 361325), (4850, 320648), (5380, 289060), (5960, 260930), (6725, 231248), (7450, 208744), (7760, 200405), (9700, 160324), (10760, 144530), (11920, 130465), (13450, 115624), (14453, 107600), (14900, 104372), (19400, 80162), (21520, 72265), (26093, 59600), (26900, 57812), (28906, 53800), (29800, 52186), (38800, 40081)]