28169970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 72247680

約数和(自身を除く): 44077710

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 570, 677, 730, 1095, 1354, 1387, 2031, 2190, 2774, 3385, 4062, 4161, 6770, 6935, 8322, 10155, 12863, 13870, 20310, 20805, 25726, 38589, 41610, 49421, 64315, 77178, 98842, 128630, 148263, 192945, 247105, 296526, 385890, 494210, 741315, 938999, 1482630, 1877998, 2816997, 4694995, 5633994, 9389990, 14084985, 28169970]

約数ペア:

[(1, 28169970), (2, 14084985), (3, 9389990), (5, 5633994), (6, 4694995), (10, 2816997), (15, 1877998), (19, 1482630), (30, 938999), (38, 741315), (57, 494210), (73, 385890), (95, 296526), (114, 247105), (146, 192945), (190, 148263), (219, 128630), (285, 98842), (365, 77178), (438, 64315), (570, 49421), (677, 41610), (730, 38589), (1095, 25726), (1354, 20805), (1387, 20310), (2031, 13870), (2190, 12863), (2774, 10155), (3385, 8322), (4062, 6935), (4161, 6770)]