201720961820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1583}}^1\times {\mathrm{8837}}^1$

素因数の和:10539

約数の個数: 96

約数和(自身を含む): 489194754048

約数和(自身を除く): 287473792228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 1583, 2060, 2884, 3166, 3605, 6332, 7210, 7915, 8837, 11081, 14420, 15830, 17674, 22162, 31660, 35348, 44185, 44324, 55405, 61859, 88370, 110810, 123718, 163049, 176740, 221620, 247436, 309295, 326098, 618590, 652196, 815245, 910211, 1141343, 1237180, 1630490, 1820422, 2282686, 3260980, 3640844, 4551055, 4565372, 5706715, 6371477, 9102110, 11413430, 12742954, 13988971, 18204220, 22826860, 25485908, 27977942, 31857385, 55955884, 63714770, 69944855, 97922797, 127429540, 139889710, 195845594, 279779420, 391691188, 489613985, 979227970, 1440864013, 1958455940, 2881728026, 5763456052, 7204320065, 10086048091, 14408640130, 20172096182, 28817280260, 40344192364, 50430240455, 100860480910, 201720961820]

約数ペア:

[(1, 201720961820), (2, 100860480910), (4, 50430240455), (5, 40344192364), (7, 28817280260), (10, 20172096182), (14, 14408640130), (20, 10086048091), (28, 7204320065), (35, 5763456052), (70, 2881728026), (103, 1958455940), (140, 1440864013), (206, 979227970), (412, 489613985), (515, 391691188), (721, 279779420), (1030, 195845594), (1442, 139889710), (1583, 127429540), (2060, 97922797), (2884, 69944855), (3166, 63714770), (3605, 55955884), (6332, 31857385), (7210, 27977942), (7915, 25485908), (8837, 22826860), (11081, 18204220), (14420, 13988971), (15830, 12742954), (17674, 11413430), (22162, 9102110), (31660, 6371477), (35348, 5706715), (44185, 4565372), (44324, 4551055), (55405, 3640844), (61859, 3260980), (88370, 2282686), (110810, 1820422), (123718, 1630490), (163049, 1237180), (176740, 1141343), (221620, 910211), (247436, 815245), (309295, 652196), (326098, 618590)]