858390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 2322432

約数和(自身を除く): 1464042

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 71, 78, 93, 130, 142, 155, 186, 195, 213, 310, 355, 390, 403, 426, 465, 710, 806, 923, 930, 1065, 1209, 1846, 2015, 2130, 2201, 2418, 2769, 4030, 4402, 4615, 5538, 6045, 6603, 9230, 11005, 12090, 13206, 13845, 22010, 27690, 28613, 33015, 57226, 66030, 85839, 143065, 171678, 286130, 429195, 858390]

約数ペア:

[(1, 858390), (2, 429195), (3, 286130), (5, 171678), (6, 143065), (10, 85839), (13, 66030), (15, 57226), (26, 33015), (30, 28613), (31, 27690), (39, 22010), (62, 13845), (65, 13206), (71, 12090), (78, 11005), (93, 9230), (130, 6603), (142, 6045), (155, 5538), (186, 4615), (195, 4402), (213, 4030), (310, 2769), (355, 2418), (390, 2201), (403, 2130), (426, 2015), (465, 1846), (710, 1209), (806, 1065), (923, 930)]