307102973125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{2459}}^1$

素因数の和:3320

約数の個数: 80

約数和(自身を含む): 435741768000

約数和(自身を除く): 128638794875

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 625, 809, 1235, 1625, 2375, 2459, 4045, 6175, 8125, 10517, 11875, 12295, 15371, 20225, 30875, 31967, 46721, 52585, 61475, 76855, 101125, 154375, 159835, 199823, 233605, 262925, 307375, 384275, 505625, 607373, 799175, 999115, 1168025, 1314625, 1536875, 1921375, 1989331, 3036865, 3995875, 4995575, 5840125, 6573125, 9606875, 9946655, 15184325, 19979375, 24977875, 25861303, 29200625, 37797289, 49733275, 75921625, 124889375, 129306515, 188986445, 248666375, 379608125, 491364757, 646532575, 944932225, 1243331875, 2456823785, 3232662875, 4724661125, 12284118925, 16163314375, 23623305625, 61420594625, 307102973125]

約数ペア:

[(1, 307102973125), (5, 61420594625), (13, 23623305625), (19, 16163314375), (25, 12284118925), (65, 4724661125), (95, 3232662875), (125, 2456823785), (247, 1243331875), (325, 944932225), (475, 646532575), (625, 491364757), (809, 379608125), (1235, 248666375), (1625, 188986445), (2375, 129306515), (2459, 124889375), (4045, 75921625), (6175, 49733275), (8125, 37797289), (10517, 29200625), (11875, 25861303), (12295, 24977875), (15371, 19979375), (20225, 15184325), (30875, 9946655), (31967, 9606875), (46721, 6573125), (52585, 5840125), (61475, 4995575), (76855, 3995875), (101125, 3036865), (154375, 1989331), (159835, 1921375), (199823, 1536875), (233605, 1314625), (262925, 1168025), (307375, 999115), (384275, 799175), (505625, 607373)]