450350140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1783}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 964772928

約数和(自身を除く): 514422788

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 173, 292, 346, 365, 692, 730, 865, 1460, 1730, 1783, 3460, 3566, 7132, 8915, 12629, 17830, 25258, 35660, 50516, 63145, 126290, 130159, 252580, 260318, 308459, 520636, 616918, 650795, 1233836, 1301590, 1542295, 2603180, 3084590, 6169180, 22517507, 45035014, 90070028, 112587535, 225175070, 450350140]

約数ペア:

[(1, 450350140), (2, 225175070), (4, 112587535), (5, 90070028), (10, 45035014), (20, 22517507), (73, 6169180), (146, 3084590), (173, 2603180), (292, 1542295), (346, 1301590), (365, 1233836), (692, 650795), (730, 616918), (865, 520636), (1460, 308459), (1730, 260318), (1783, 252580), (3460, 130159), (3566, 126290), (7132, 63145), (8915, 50516), (12629, 35660), (17830, 25258)]