209230580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6143}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 476872704

約数和(自身を除く): 267642124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6143, 6812, 8515, 12286, 17030, 24572, 30715, 34060, 61430, 79859, 122860, 159718, 319436, 399295, 798590, 804733, 1597180, 1609466, 3218932, 4023665, 8047330, 10461529, 16094660, 20923058, 41846116, 52307645, 104615290, 209230580]

約数ペア:

[(1, 209230580), (2, 104615290), (4, 52307645), (5, 41846116), (10, 20923058), (13, 16094660), (20, 10461529), (26, 8047330), (52, 4023665), (65, 3218932), (130, 1609466), (131, 1597180), (260, 804733), (262, 798590), (524, 399295), (655, 319436), (1310, 159718), (1703, 122860), (2620, 79859), (3406, 61430), (6143, 34060), (6812, 30715), (8515, 24572), (12286, 17030)]