487156675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 730667520

約数和(自身を除く): 243510845

約数列:

[1, 5, 17, 19, 23, 25, 43, 61, 85, 95, 115, 215, 305, 323, 391, 425, 437, 475, 575, 731, 817, 989, 1037, 1075, 1159, 1403, 1525, 1615, 1955, 2185, 2623, 3655, 4085, 4945, 5185, 5795, 7015, 7429, 8075, 9775, 10925, 13115, 13889, 16813, 18275, 18791, 19703, 20425, 23851, 24725, 25925, 26657, 28975, 35075, 37145, 44591, 49837, 60329, 65575, 69445, 84065, 93955, 98515, 119255, 133285, 185725, 222955, 249185, 301645, 319447, 347225, 420325, 453169, 469775, 492575, 596275, 666425, 847229, 1025593, 1114775, 1146251, 1245925, 1508225, 1597235, 2265845, 4236145, 5127965, 5731255, 7986175, 11329225, 19486267, 21180725, 25639825, 28656275, 97431335, 487156675]

約数ペア:

[(1, 487156675), (5, 97431335), (17, 28656275), (19, 25639825), (23, 21180725), (25, 19486267), (43, 11329225), (61, 7986175), (85, 5731255), (95, 5127965), (115, 4236145), (215, 2265845), (305, 1597235), (323, 1508225), (391, 1245925), (425, 1146251), (437, 1114775), (475, 1025593), (575, 847229), (731, 666425), (817, 596275), (989, 492575), (1037, 469775), (1075, 453169), (1159, 420325), (1403, 347225), (1525, 319447), (1615, 301645), (1955, 249185), (2185, 222955), (2623, 185725), (3655, 133285), (4085, 119255), (4945, 98515), (5185, 93955), (5795, 84065), (7015, 69445), (7429, 65575), (8075, 60329), (9775, 49837), (10925, 44591), (13115, 37145), (13889, 35075), (16813, 28975), (18275, 26657), (18791, 25925), (19703, 24725), (20425, 23851)]