91957780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 202245120

約数和(自身を除く): 110287340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2089, 2201, 4178, 4402, 8356, 8804, 10445, 11005, 20890, 22010, 41780, 44020, 64759, 129518, 148319, 259036, 296638, 323795, 593276, 647590, 741595, 1295180, 1483190, 2966380, 4597889, 9195778, 18391556, 22989445, 45978890, 91957780]

約数ペア:

[(1, 91957780), (2, 45978890), (4, 22989445), (5, 18391556), (10, 9195778), (20, 4597889), (31, 2966380), (62, 1483190), (71, 1295180), (124, 741595), (142, 647590), (155, 593276), (284, 323795), (310, 296638), (355, 259036), (620, 148319), (710, 129518), (1420, 64759), (2089, 44020), (2201, 41780), (4178, 22010), (4402, 20890), (8356, 11005), (8804, 10445)]