12907090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 15086510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 71, 98, 106, 142, 245, 265, 343, 355, 371, 490, 497, 530, 686, 710, 742, 994, 1715, 1855, 2485, 2597, 3430, 3479, 3710, 3763, 4970, 5194, 6958, 7526, 12985, 17395, 18179, 18815, 24353, 25970, 26341, 34790, 36358, 37630, 48706, 52682, 90895, 121765, 131705, 181790, 184387, 243530, 263410, 368774, 921935, 1290709, 1843870, 2581418, 6453545, 12907090]

約数ペア:

[(1, 12907090), (2, 6453545), (5, 2581418), (7, 1843870), (10, 1290709), (14, 921935), (35, 368774), (49, 263410), (53, 243530), (70, 184387), (71, 181790), (98, 131705), (106, 121765), (142, 90895), (245, 52682), (265, 48706), (343, 37630), (355, 36358), (371, 34790), (490, 26341), (497, 25970), (530, 24353), (686, 18815), (710, 18179), (742, 17395), (994, 12985), (1715, 7526), (1855, 6958), (2485, 5194), (2597, 4970), (3430, 3763), (3479, 3710)]