189474560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13457}}^1$

素因数の和:13489

約数の個数: 72

約数和(自身を含む): 495146736

約数和(自身を除く): 305672176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 13457, 14080, 26914, 53828, 67285, 107656, 134570, 148027, 215312, 269140, 296054, 430624, 538280, 592108, 740135, 861248, 1076560, 1184216, 1480270, 1722496, 2153120, 2368432, 2960540, 3444992, 4306240, 4736864, 5921080, 8612480, 9473728, 11842160, 17224960, 18947456, 23684320, 37894912, 47368640, 94737280, 189474560]

約数ペア:

[(1, 189474560), (2, 94737280), (4, 47368640), (5, 37894912), (8, 23684320), (10, 18947456), (11, 17224960), (16, 11842160), (20, 9473728), (22, 8612480), (32, 5921080), (40, 4736864), (44, 4306240), (55, 3444992), (64, 2960540), (80, 2368432), (88, 2153120), (110, 1722496), (128, 1480270), (160, 1184216), (176, 1076560), (220, 861248), (256, 740135), (320, 592108), (352, 538280), (440, 430624), (640, 296054), (704, 269140), (880, 215312), (1280, 148027), (1408, 134570), (1760, 107656), (2816, 67285), (3520, 53828), (7040, 26914), (13457, 14080)]