161235830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 340139520

約数和(自身を除く): 178903690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 139, 146, 227, 278, 365, 454, 511, 695, 730, 973, 1022, 1135, 1390, 1589, 1946, 2270, 2555, 3178, 4865, 5110, 7945, 9730, 10147, 15890, 16571, 20294, 31553, 33142, 50735, 63106, 71029, 82855, 101470, 115997, 142058, 157765, 165710, 220871, 231994, 315530, 355145, 441742, 579985, 710290, 1104355, 1159970, 2208710, 2303369, 4606738, 11516845, 16123583, 23033690, 32247166, 80617915, 161235830]

約数ペア:

[(1, 161235830), (2, 80617915), (5, 32247166), (7, 23033690), (10, 16123583), (14, 11516845), (35, 4606738), (70, 2303369), (73, 2208710), (139, 1159970), (146, 1104355), (227, 710290), (278, 579985), (365, 441742), (454, 355145), (511, 315530), (695, 231994), (730, 220871), (973, 165710), (1022, 157765), (1135, 142058), (1390, 115997), (1589, 101470), (1946, 82855), (2270, 71029), (2555, 63106), (3178, 50735), (4865, 33142), (5110, 31553), (7945, 20294), (9730, 16571), (10147, 15890)]