13305928475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 21525169920

約数和(自身を除く): 8219241445

約数列:

[1, 5, 7, 17, 19, 25, 35, 61, 85, 95, 119, 133, 175, 227, 289, 305, 323, 425, 427, 475, 595, 665, 1037, 1135, 1159, 1445, 1525, 1589, 1615, 2023, 2135, 2261, 2975, 3325, 3859, 4313, 5185, 5491, 5675, 5795, 7225, 7259, 7945, 8075, 8113, 10115, 10675, 11305, 13847, 17629, 19295, 19703, 21565, 25925, 27013, 27455, 28975, 30191, 36295, 38437, 39725, 40565, 50575, 56525, 65603, 69235, 73321, 88145, 96475, 96929, 98515, 107825, 123403, 135065, 137275, 137921, 150955, 181475, 192185, 202825, 235399, 263093, 328015, 334951, 346175, 366605, 440725, 459221, 484645, 492575, 513247, 617015, 675325, 689605, 754775, 960925, 1176995, 1246457, 1315465, 1640075, 1647793, 1674755, 1833025, 1841651, 2296105, 2344657, 2423225, 2566235, 3085075, 3448025, 4001783, 4472581, 5884975, 6232285, 6577325, 8238965, 8373775, 8725199, 9208255, 11480525, 11723285, 12831175, 20008915, 22362905, 28012481, 31161425, 31308067, 41194825, 43625995, 46041275, 58616425, 76033877, 100044575, 111814525, 140062405, 156540335, 218129975, 380169385, 532237139, 700312025, 782701675, 1900846925, 2661185695, 13305928475]

約数ペア:

[(1, 13305928475), (5, 2661185695), (7, 1900846925), (17, 782701675), (19, 700312025), (25, 532237139), (35, 380169385), (61, 218129975), (85, 156540335), (95, 140062405), (119, 111814525), (133, 100044575), (175, 76033877), (227, 58616425), (289, 46041275), (305, 43625995), (323, 41194825), (425, 31308067), (427, 31161425), (475, 28012481), (595, 22362905), (665, 20008915), (1037, 12831175), (1135, 11723285), (1159, 11480525), (1445, 9208255), (1525, 8725199), (1589, 8373775), (1615, 8238965), (2023, 6577325), (2135, 6232285), (2261, 5884975), (2975, 4472581), (3325, 4001783), (3859, 3448025), (4313, 3085075), (5185, 2566235), (5491, 2423225), (5675, 2344657), (5795, 2296105), (7225, 1841651), (7259, 1833025), (7945, 1674755), (8075, 1647793), (8113, 1640075), (10115, 1315465), (10675, 1246457), (11305, 1176995), (13847, 960925), (17629, 754775), (19295, 689605), (19703, 675325), (21565, 617015), (25925, 513247), (27013, 492575), (27455, 484645), (28975, 459221), (30191, 440725), (36295, 366605), (38437, 346175), (39725, 334951), (40565, 328015), (50575, 263093), (56525, 235399), (65603, 202825), (69235, 192185), (73321, 181475), (88145, 150955), (96475, 137921), (96929, 137275), (98515, 135065), (107825, 123403)]