398325760

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5591

約数の個数: 96

約数和(自身を含む): 1092480480

約数和(自身を除く): 694154720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4480, 5120, 5557, 7168, 8960, 10240, 11114, 14336, 17920, 22228, 27785, 35840, 38899, 44456, 55570, 71680, 77798, 88912, 111140, 155596, 177824, 194495, 222280, 311192, 355648, 388990, 444560, 622384, 711296, 777980, 889120, 1244768, 1422592, 1555960, 1778240, 2489536, 2845184, 3111920, 3556480, 4979072, 5690368, 6223840, 7112960, 9958144, 11380736, 12447680, 14225920, 19916288, 24895360, 28451840, 39832576, 49790720, 56903680, 79665152, 99581440, 199162880, 398325760]

約数ペア:

[(1, 398325760), (2, 199162880), (4, 99581440), (5, 79665152), (7, 56903680), (8, 49790720), (10, 39832576), (14, 28451840), (16, 24895360), (20, 19916288), (28, 14225920), (32, 12447680), (35, 11380736), (40, 9958144), (56, 7112960), (64, 6223840), (70, 5690368), (80, 4979072), (112, 3556480), (128, 3111920), (140, 2845184), (160, 2489536), (224, 1778240), (256, 1555960), (280, 1422592), (320, 1244768), (448, 889120), (512, 777980), (560, 711296), (640, 622384), (896, 444560), (1024, 388990), (1120, 355648), (1280, 311192), (1792, 222280), (2048, 194495), (2240, 177824), (2560, 155596), (3584, 111140), (4480, 88912), (5120, 77798), (5557, 71680), (7168, 55570), (8960, 44456), (10240, 38899), (11114, 35840), (14336, 27785), (17920, 22228)]