28221180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 86205504

約数和(自身を除く): 57984324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 373, 388, 390, 485, 582, 746, 780, 970, 1119, 1164, 1261, 1455, 1492, 1865, 1940, 2238, 2522, 2910, 3730, 3783, 4476, 4849, 5044, 5595, 5820, 6305, 7460, 7566, 9698, 11190, 12610, 14547, 15132, 18915, 19396, 22380, 24245, 25220, 29094, 36181, 37830, 48490, 58188, 72362, 72735, 75660, 96980, 108543, 144724, 145470, 180905, 217086, 290940, 361810, 434172, 470353, 542715, 723620, 940706, 1085430, 1411059, 1881412, 2170860, 2351765, 2822118, 4703530, 5644236, 7055295, 9407060, 14110590, 28221180]

約数ペア:

[(1, 28221180), (2, 14110590), (3, 9407060), (4, 7055295), (5, 5644236), (6, 4703530), (10, 2822118), (12, 2351765), (13, 2170860), (15, 1881412), (20, 1411059), (26, 1085430), (30, 940706), (39, 723620), (52, 542715), (60, 470353), (65, 434172), (78, 361810), (97, 290940), (130, 217086), (156, 180905), (194, 145470), (195, 144724), (260, 108543), (291, 96980), (373, 75660), (388, 72735), (390, 72362), (485, 58188), (582, 48490), (746, 37830), (780, 36181), (970, 29094), (1119, 25220), (1164, 24245), (1261, 22380), (1455, 19396), (1492, 18915), (1865, 15132), (1940, 14547), (2238, 12610), (2522, 11190), (2910, 9698), (3730, 7566), (3783, 7460), (4476, 6305), (4849, 5820), (5044, 5595)]