19748400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2379

約数の個数: 120

約数和(自身を含む): 72328704

約数和(自身を除く): 52580304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2351, 2800, 4200, 4702, 7053, 8400, 9404, 11755, 14106, 16457, 18808, 23510, 28212, 32914, 35265, 37616, 47020, 49371, 56424, 58775, 65828, 70530, 82285, 94040, 98742, 112848, 117550, 131656, 141060, 164570, 176325, 188080, 197484, 235100, 246855, 263312, 282120, 329140, 352650, 394968, 411425, 470200, 493710, 564240, 658280, 705300, 789936, 822850, 940400, 987420, 1234275, 1316560, 1410600, 1645700, 1974840, 2468550, 2821200, 3291400, 3949680, 4937100, 6582800, 9874200, 19748400]

約数ペア:

[(1, 19748400), (2, 9874200), (3, 6582800), (4, 4937100), (5, 3949680), (6, 3291400), (7, 2821200), (8, 2468550), (10, 1974840), (12, 1645700), (14, 1410600), (15, 1316560), (16, 1234275), (20, 987420), (21, 940400), (24, 822850), (25, 789936), (28, 705300), (30, 658280), (35, 564240), (40, 493710), (42, 470200), (48, 411425), (50, 394968), (56, 352650), (60, 329140), (70, 282120), (75, 263312), (80, 246855), (84, 235100), (100, 197484), (105, 188080), (112, 176325), (120, 164570), (140, 141060), (150, 131656), (168, 117550), (175, 112848), (200, 98742), (210, 94040), (240, 82285), (280, 70530), (300, 65828), (336, 58775), (350, 56424), (400, 49371), (420, 47020), (525, 37616), (560, 35265), (600, 32914), (700, 28212), (840, 23510), (1050, 18808), (1200, 16457), (1400, 14106), (1680, 11755), (2100, 9404), (2351, 8400), (2800, 7053), (4200, 4702)]