128880400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1769

約数の個数: 120

約数和(自身を含む): 357861024

約数和(自身を除く): 228980624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 340, 374, 400, 425, 440, 550, 680, 748, 850, 880, 935, 1100, 1360, 1496, 1700, 1723, 1870, 2200, 2992, 3400, 3446, 3740, 4400, 4675, 6800, 6892, 7480, 8615, 9350, 13784, 14960, 17230, 18700, 18953, 27568, 29291, 34460, 37400, 37906, 43075, 58582, 68920, 74800, 75812, 86150, 94765, 117164, 137840, 146455, 151624, 172300, 189530, 234328, 292910, 303248, 322201, 344600, 379060, 468656, 473825, 585820, 644402, 689200, 732275, 758120, 947650, 1171640, 1288804, 1464550, 1516240, 1611005, 1895300, 2343280, 2577608, 2929100, 3222010, 3790600, 5155216, 5858200, 6444020, 7581200, 8055025, 11716400, 12888040, 16110050, 25776080, 32220100, 64440200, 128880400]

約数ペア:

[(1, 128880400), (2, 64440200), (4, 32220100), (5, 25776080), (8, 16110050), (10, 12888040), (11, 11716400), (16, 8055025), (17, 7581200), (20, 6444020), (22, 5858200), (25, 5155216), (34, 3790600), (40, 3222010), (44, 2929100), (50, 2577608), (55, 2343280), (68, 1895300), (80, 1611005), (85, 1516240), (88, 1464550), (100, 1288804), (110, 1171640), (136, 947650), (170, 758120), (176, 732275), (187, 689200), (200, 644402), (220, 585820), (272, 473825), (275, 468656), (340, 379060), (374, 344600), (400, 322201), (425, 303248), (440, 292910), (550, 234328), (680, 189530), (748, 172300), (850, 151624), (880, 146455), (935, 137840), (1100, 117164), (1360, 94765), (1496, 86150), (1700, 75812), (1723, 74800), (1870, 68920), (2200, 58582), (2992, 43075), (3400, 37906), (3446, 37400), (3740, 34460), (4400, 29291), (4675, 27568), (6800, 18953), (6892, 18700), (7480, 17230), (8615, 14960), (9350, 13784)]