191822120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9649}}^1$

素因数の和:9738

約数の個数: 64

約数和(自身を含む): 500256000

約数和(自身を除く): 308433880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9649, 9940, 19298, 19880, 38596, 48245, 67543, 77192, 96490, 135086, 192980, 270172, 337715, 385960, 540344, 675430, 685079, 1350860, 1370158, 2701720, 2740316, 3425395, 4795553, 5480632, 6850790, 9591106, 13701580, 19182212, 23977765, 27403160, 38364424, 47955530, 95911060, 191822120]

約数ペア:

[(1, 191822120), (2, 95911060), (4, 47955530), (5, 38364424), (7, 27403160), (8, 23977765), (10, 19182212), (14, 13701580), (20, 9591106), (28, 6850790), (35, 5480632), (40, 4795553), (56, 3425395), (70, 2740316), (71, 2701720), (140, 1370158), (142, 1350860), (280, 685079), (284, 675430), (355, 540344), (497, 385960), (568, 337715), (710, 270172), (994, 192980), (1420, 135086), (1988, 96490), (2485, 77192), (2840, 67543), (3976, 48245), (4970, 38596), (9649, 19880), (9940, 19298)]