313552960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19997}}^1$

素因数の和:20028

約数の個数: 84

約数和(自身を含む): 868593132

約数和(自身を除く): 555040172

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 19997, 39994, 79988, 99985, 139979, 159976, 199970, 279958, 319952, 399940, 559916, 639904, 699895, 799880, 979853, 1119832, 1279808, 1399790, 1599760, 1959706, 2239664, 2799580, 3199520, 3919412, 4479328, 4899265, 5599160, 6399040, 7838824, 8958656, 9798530, 11198320, 15677648, 19597060, 22396640, 31355296, 39194120, 44793280, 62710592, 78388240, 156776480, 313552960]

約数ペア:

[(1, 313552960), (2, 156776480), (4, 78388240), (5, 62710592), (7, 44793280), (8, 39194120), (10, 31355296), (14, 22396640), (16, 19597060), (20, 15677648), (28, 11198320), (32, 9798530), (35, 8958656), (40, 7838824), (49, 6399040), (56, 5599160), (64, 4899265), (70, 4479328), (80, 3919412), (98, 3199520), (112, 2799580), (140, 2239664), (160, 1959706), (196, 1599760), (224, 1399790), (245, 1279808), (280, 1119832), (320, 979853), (392, 799880), (448, 699895), (490, 639904), (560, 559916), (784, 399940), (980, 319952), (1120, 279958), (1568, 199970), (1960, 159976), (2240, 139979), (3136, 99985), (3920, 79988), (7840, 39994), (15680, 19997)]