30829820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 76167504

約数和(自身を除く): 45337684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 193, 196, 245, 326, 386, 490, 652, 772, 815, 965, 980, 1141, 1351, 1630, 1930, 2282, 2702, 3260, 3860, 4564, 5404, 5705, 6755, 7987, 9457, 11410, 13510, 15974, 18914, 22820, 27020, 31459, 31948, 37828, 39935, 47285, 62918, 79870, 94570, 125836, 157295, 159740, 189140, 220213, 314590, 440426, 629180, 880852, 1101065, 1541491, 2202130, 3082982, 4404260, 6165964, 7707455, 15414910, 30829820]

約数ペア:

[(1, 30829820), (2, 15414910), (4, 7707455), (5, 6165964), (7, 4404260), (10, 3082982), (14, 2202130), (20, 1541491), (28, 1101065), (35, 880852), (49, 629180), (70, 440426), (98, 314590), (140, 220213), (163, 189140), (193, 159740), (196, 157295), (245, 125836), (326, 94570), (386, 79870), (490, 62918), (652, 47285), (772, 39935), (815, 37828), (965, 31948), (980, 31459), (1141, 27020), (1351, 22820), (1630, 18914), (1930, 15974), (2282, 13510), (2702, 11410), (3260, 9457), (3860, 7987), (4564, 6755), (5404, 5705)]