257804925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 534340800

約数和(自身を除く): 276535875

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 41, 49, 59, 75, 87, 105, 123, 145, 147, 175, 177, 203, 205, 245, 287, 295, 413, 435, 525, 609, 615, 725, 735, 861, 885, 1015, 1025, 1189, 1225, 1239, 1421, 1435, 1475, 1711, 2009, 2065, 2175, 2419, 2891, 3045, 3075, 3567, 3675, 4263, 4305, 4425, 5075, 5133, 5945, 6027, 6195, 7105, 7175, 7257, 8323, 8555, 8673, 10045, 10325, 11977, 12095, 14455, 15225, 16933, 17835, 21315, 21525, 24969, 25665, 29725, 30135, 30975, 35525, 35931, 36285, 41615, 42775, 43365, 50225, 50799, 58261, 59885, 60475, 70151, 72275, 83839, 84665, 89175, 106575, 118531, 124845, 128325, 150675, 174783, 179655, 181425, 208075, 210453, 216825, 251517, 253995, 291305, 299425, 350755, 355593, 419195, 423325, 491057, 592655, 624225, 873915, 898275, 1052265, 1257585, 1269975, 1456525, 1473171, 1753775, 1777965, 2095975, 2455285, 2963275, 3437399, 4369575, 5261325, 6287925, 7365855, 8889825, 10312197, 12276425, 17186995, 36829275, 51560985, 85934975, 257804925]

約数ペア:

[(1, 257804925), (3, 85934975), (5, 51560985), (7, 36829275), (15, 17186995), (21, 12276425), (25, 10312197), (29, 8889825), (35, 7365855), (41, 6287925), (49, 5261325), (59, 4369575), (75, 3437399), (87, 2963275), (105, 2455285), (123, 2095975), (145, 1777965), (147, 1753775), (175, 1473171), (177, 1456525), (203, 1269975), (205, 1257585), (245, 1052265), (287, 898275), (295, 873915), (413, 624225), (435, 592655), (525, 491057), (609, 423325), (615, 419195), (725, 355593), (735, 350755), (861, 299425), (885, 291305), (1015, 253995), (1025, 251517), (1189, 216825), (1225, 210453), (1239, 208075), (1421, 181425), (1435, 179655), (1475, 174783), (1711, 150675), (2009, 128325), (2065, 124845), (2175, 118531), (2419, 106575), (2891, 89175), (3045, 84665), (3075, 83839), (3567, 72275), (3675, 70151), (4263, 60475), (4305, 59885), (4425, 58261), (5075, 50799), (5133, 50225), (5945, 43365), (6027, 42775), (6195, 41615), (7105, 36285), (7175, 35931), (7257, 35525), (8323, 30975), (8555, 30135), (8673, 29725), (10045, 25665), (10325, 24969), (11977, 21525), (12095, 21315), (14455, 17835), (15225, 16933)]