256117820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 633346560

約数和(自身を除く): 377228740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 101, 118, 140, 202, 236, 295, 307, 404, 413, 505, 590, 614, 707, 826, 1010, 1180, 1228, 1414, 1535, 1652, 2020, 2065, 2149, 2828, 3070, 3535, 4130, 4298, 5959, 6140, 7070, 8260, 8596, 10745, 11918, 14140, 18113, 21490, 23836, 29795, 31007, 36226, 41713, 42980, 59590, 62014, 72452, 83426, 90565, 119180, 124028, 126791, 155035, 166852, 181130, 208565, 217049, 253582, 310070, 362260, 417130, 434098, 507164, 620140, 633955, 834260, 868196, 1085245, 1267910, 1829413, 2170490, 2535820, 3658826, 4340980, 7317652, 9147065, 12805891, 18294130, 25611782, 36588260, 51223564, 64029455, 128058910, 256117820]

約数ペア:

[(1, 256117820), (2, 128058910), (4, 64029455), (5, 51223564), (7, 36588260), (10, 25611782), (14, 18294130), (20, 12805891), (28, 9147065), (35, 7317652), (59, 4340980), (70, 3658826), (101, 2535820), (118, 2170490), (140, 1829413), (202, 1267910), (236, 1085245), (295, 868196), (307, 834260), (404, 633955), (413, 620140), (505, 507164), (590, 434098), (614, 417130), (707, 362260), (826, 310070), (1010, 253582), (1180, 217049), (1228, 208565), (1414, 181130), (1535, 166852), (1652, 155035), (2020, 126791), (2065, 124028), (2149, 119180), (2828, 90565), (3070, 83426), (3535, 72452), (4130, 62014), (4298, 59590), (5959, 42980), (6140, 41713), (7070, 36226), (8260, 31007), (8596, 29795), (10745, 23836), (11918, 21490), (14140, 18113)]