28229500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 68612544

約数和(自身を除く): 40383044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 101, 125, 130, 172, 202, 215, 250, 260, 325, 404, 430, 500, 505, 559, 650, 860, 1010, 1075, 1118, 1300, 1313, 1625, 2020, 2150, 2236, 2525, 2626, 2795, 3250, 4300, 4343, 5050, 5252, 5375, 5590, 6500, 6565, 8686, 10100, 10750, 11180, 12625, 13130, 13975, 17372, 21500, 21715, 25250, 26260, 27950, 32825, 43430, 50500, 55900, 56459, 65650, 69875, 86860, 108575, 112918, 131300, 139750, 164125, 217150, 225836, 279500, 282295, 328250, 434300, 542875, 564590, 656500, 1085750, 1129180, 1411475, 2171500, 2822950, 5645900, 7057375, 14114750, 28229500]

約数ペア:

[(1, 28229500), (2, 14114750), (4, 7057375), (5, 5645900), (10, 2822950), (13, 2171500), (20, 1411475), (25, 1129180), (26, 1085750), (43, 656500), (50, 564590), (52, 542875), (65, 434300), (86, 328250), (100, 282295), (101, 279500), (125, 225836), (130, 217150), (172, 164125), (202, 139750), (215, 131300), (250, 112918), (260, 108575), (325, 86860), (404, 69875), (430, 65650), (500, 56459), (505, 55900), (559, 50500), (650, 43430), (860, 32825), (1010, 27950), (1075, 26260), (1118, 25250), (1300, 21715), (1313, 21500), (1625, 17372), (2020, 13975), (2150, 13130), (2236, 12625), (2525, 11180), (2626, 10750), (2795, 10100), (3250, 8686), (4300, 6565), (4343, 6500), (5050, 5590), (5252, 5375)]