1913450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 4580064

約数和(自身を除く): 2666614

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 71, 77, 98, 110, 142, 154, 175, 245, 275, 350, 355, 385, 490, 497, 539, 550, 710, 770, 781, 994, 1078, 1225, 1562, 1775, 1925, 2450, 2485, 2695, 3479, 3550, 3850, 3905, 4970, 5390, 5467, 6958, 7810, 10934, 12425, 13475, 17395, 19525, 24850, 26950, 27335, 34790, 38269, 39050, 54670, 76538, 86975, 136675, 173950, 191345, 273350, 382690, 956725, 1913450]

約数ペア:

[(1, 1913450), (2, 956725), (5, 382690), (7, 273350), (10, 191345), (11, 173950), (14, 136675), (22, 86975), (25, 76538), (35, 54670), (49, 39050), (50, 38269), (55, 34790), (70, 27335), (71, 26950), (77, 24850), (98, 19525), (110, 17395), (142, 13475), (154, 12425), (175, 10934), (245, 7810), (275, 6958), (350, 5467), (355, 5390), (385, 4970), (490, 3905), (497, 3850), (539, 3550), (550, 3479), (710, 2695), (770, 2485), (781, 2450), (994, 1925), (1078, 1775), (1225, 1562)]