397745910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1777}}^1$

素因数の和:2622

約数の個数: 64

約数和(自身を含む): 1062532800

約数和(自身を除く): 664786890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 829, 1658, 1777, 2487, 3554, 4145, 4974, 5331, 7461, 8290, 8885, 10662, 12435, 14922, 15993, 17770, 22383, 24870, 26655, 31986, 37305, 44766, 47979, 53310, 74610, 79965, 95958, 111915, 159930, 223830, 239895, 479790, 1473133, 2946266, 4419399, 7365665, 8838798, 13258197, 14731330, 22096995, 26516394, 39774591, 44193990, 66290985, 79549182, 132581970, 198872955, 397745910]

約数ペア:

[(1, 397745910), (2, 198872955), (3, 132581970), (5, 79549182), (6, 66290985), (9, 44193990), (10, 39774591), (15, 26516394), (18, 22096995), (27, 14731330), (30, 13258197), (45, 8838798), (54, 7365665), (90, 4419399), (135, 2946266), (270, 1473133), (829, 479790), (1658, 239895), (1777, 223830), (2487, 159930), (3554, 111915), (4145, 95958), (4974, 79965), (5331, 74610), (7461, 53310), (8290, 47979), (8885, 44766), (10662, 37305), (12435, 31986), (14922, 26655), (15993, 24870), (17770, 22383)]