201990318525

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2437}}^1\times {\mathrm{4663}}^1$

素因数の和:7195

約数の個数: 72

約数和(自身を含む): 366595623680

約数和(自身を除く): 164605305155

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 2437, 3555, 4663, 5925, 7311, 12185, 13989, 17775, 21933, 23315, 36555, 41967, 60925, 69945, 109665, 116575, 182775, 192523, 209835, 349725, 368377, 548325, 577569, 962615, 1049175, 1105131, 1732707, 1841885, 2887845, 3315393, 4813075, 5525655, 8663535, 9209425, 11363731, 14439225, 16576965, 27628275, 34091193, 43317675, 56818655, 82884825, 102273579, 170455965, 284093275, 511367895, 852279825, 897734749, 2556839475, 2693204247, 4488673745, 8079612741, 13466021235, 22443368725, 40398063705, 67330106175, 201990318525]

約数ペア:

[(1, 201990318525), (3, 67330106175), (5, 40398063705), (9, 22443368725), (15, 13466021235), (25, 8079612741), (45, 4488673745), (75, 2693204247), (79, 2556839475), (225, 897734749), (237, 852279825), (395, 511367895), (711, 284093275), (1185, 170455965), (1975, 102273579), (2437, 82884825), (3555, 56818655), (4663, 43317675), (5925, 34091193), (7311, 27628275), (12185, 16576965), (13989, 14439225), (17775, 11363731), (21933, 9209425), (23315, 8663535), (36555, 5525655), (41967, 4813075), (60925, 3315393), (69945, 2887845), (109665, 1841885), (116575, 1732707), (182775, 1105131), (192523, 1049175), (209835, 962615), (349725, 577569), (368377, 548325)]