249744180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{84947}}^1$

素因数の和:84973

約数の個数: 72

約数和(自身を含む): 813462048

約数和(自身を除く): 563717868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 84947, 169894, 254841, 339788, 424735, 509682, 594629, 849470, 1019364, 1189258, 1274205, 1698940, 1783887, 2378516, 2548410, 2973145, 3567774, 4162403, 5096820, 5946290, 7135548, 8324806, 8919435, 11892580, 12487209, 16649612, 17838870, 20812015, 24974418, 35677740, 41624030, 49948836, 62436045, 83248060, 124872090, 249744180]

約数ペア:

[(1, 249744180), (2, 124872090), (3, 83248060), (4, 62436045), (5, 49948836), (6, 41624030), (7, 35677740), (10, 24974418), (12, 20812015), (14, 17838870), (15, 16649612), (20, 12487209), (21, 11892580), (28, 8919435), (30, 8324806), (35, 7135548), (42, 5946290), (49, 5096820), (60, 4162403), (70, 3567774), (84, 2973145), (98, 2548410), (105, 2378516), (140, 1783887), (147, 1698940), (196, 1274205), (210, 1189258), (245, 1019364), (294, 849470), (420, 594629), (490, 509682), (588, 424735), (735, 339788), (980, 254841), (1470, 169894), (2940, 84947)]