221213440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{3527}}^1$

素因数の和:3562

約数の個数: 108

約数和(自身を含む): 616560336

約数和(自身を除く): 395346896

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, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3527, 3920, 4480, 6272, 7054, 7840, 8960, 12544, 14108, 15680, 17635, 24689, 28216, 31360, 35270, 49378, 56432, 62720, 70540, 98756, 112864, 123445, 141080, 172823, 197512, 225728, 246890, 282160, 345646, 395024, 451456, 493780, 564320, 691292, 790048, 864115, 902912, 987560, 1128640, 1382584, 1580096, 1728230, 1975120, 2257280, 2765168, 3160192, 3456460, 3950240, 4514560, 5530336, 6320384, 6912920, 7900480, 11060672, 13825840, 15800960, 22121344, 27651680, 31601920, 44242688, 55303360, 110606720, 221213440]

約数ペア:

[(1, 221213440), (2, 110606720), (4, 55303360), (5, 44242688), (7, 31601920), (8, 27651680), (10, 22121344), (14, 15800960), (16, 13825840), (20, 11060672), (28, 7900480), (32, 6912920), (35, 6320384), (40, 5530336), (49, 4514560), (56, 3950240), (64, 3456460), (70, 3160192), (80, 2765168), (98, 2257280), (112, 1975120), (128, 1728230), (140, 1580096), (160, 1382584), (196, 1128640), (224, 987560), (245, 902912), (256, 864115), (280, 790048), (320, 691292), (392, 564320), (448, 493780), (490, 451456), (560, 395024), (640, 345646), (784, 282160), (896, 246890), (980, 225728), (1120, 197512), (1280, 172823), (1568, 141080), (1792, 123445), (1960, 112864), (2240, 98756), (3136, 70540), (3527, 62720), (3920, 56432), (4480, 49378), (6272, 35270), (7054, 31360), (7840, 28216), (8960, 24689), (12544, 17635), (14108, 15680)]