231761460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{551813}}^1$

素因数の和:551832

約数の個数: 48

約数和(自身を含む): 741638016

約数和(自身を除く): 509876556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 551813, 1103626, 1655439, 2207252, 2759065, 3310878, 3862691, 5518130, 6621756, 7725382, 8277195, 11036260, 11588073, 15450764, 16554390, 19313455, 23176146, 33108780, 38626910, 46352292, 57940365, 77253820, 115880730, 231761460]

約数ペア:

[(1, 231761460), (2, 115880730), (3, 77253820), (4, 57940365), (5, 46352292), (6, 38626910), (7, 33108780), (10, 23176146), (12, 19313455), (14, 16554390), (15, 15450764), (20, 11588073), (21, 11036260), (28, 8277195), (30, 7725382), (35, 6621756), (42, 5518130), (60, 3862691), (70, 3310878), (84, 2759065), (105, 2207252), (140, 1655439), (210, 1103626), (420, 551813)]