225917440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1838

約数の個数: 120

約数和(自身を含む): 630458532

約数和(自身を除く): 404541092

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1801, 1960, 2240, 2560, 3136, 3584, 3602, 3920, 4480, 6272, 7204, 7840, 8960, 9005, 12544, 12607, 14408, 15680, 17920, 18010, 25088, 25214, 28816, 31360, 36020, 50428, 57632, 62720, 63035, 72040, 88249, 100856, 115264, 125440, 126070, 144080, 176498, 201712, 230528, 252140, 288160, 352996, 403424, 441245, 461056, 504280, 576320, 705992, 806848, 882490, 922112, 1008560, 1152640, 1411984, 1613696, 1764980, 2017120, 2305280, 2823968, 3227392, 3529960, 4034240, 4610560, 5647936, 6454784, 7059920, 8068480, 11295872, 14119840, 16136960, 22591744, 28239680, 32273920, 45183488, 56479360, 112958720, 225917440]

約数ペア:

[(1, 225917440), (2, 112958720), (4, 56479360), (5, 45183488), (7, 32273920), (8, 28239680), (10, 22591744), (14, 16136960), (16, 14119840), (20, 11295872), (28, 8068480), (32, 7059920), (35, 6454784), (40, 5647936), (49, 4610560), (56, 4034240), (64, 3529960), (70, 3227392), (80, 2823968), (98, 2305280), (112, 2017120), (128, 1764980), (140, 1613696), (160, 1411984), (196, 1152640), (224, 1008560), (245, 922112), (256, 882490), (280, 806848), (320, 705992), (392, 576320), (448, 504280), (490, 461056), (512, 441245), (560, 403424), (640, 352996), (784, 288160), (896, 252140), (980, 230528), (1120, 201712), (1280, 176498), (1568, 144080), (1792, 126070), (1801, 125440), (1960, 115264), (2240, 100856), (2560, 88249), (3136, 72040), (3584, 63035), (3602, 62720), (3920, 57632), (4480, 50428), (6272, 36020), (7204, 31360), (7840, 28816), (8960, 25214), (9005, 25088), (12544, 18010), (12607, 17920), (14408, 15680)]