17211564040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{439519}}^1$

素因数の和:439630

約数の個数: 64

約数和(自身を含む): 42721344000

約数和(自身を除く): 25509779960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 439519, 879038, 1758076, 2197595, 3516152, 4395190, 4834709, 8790380, 9669418, 17580760, 19338836, 24173545, 38677672, 39117191, 48347090, 78234382, 96694180, 156468764, 193388360, 195585955, 312937528, 391171910, 430289101, 782343820, 860578202, 1564687640, 1721156404, 2151445505, 3442312808, 4302891010, 8605782020, 17211564040]

約数ペア:

[(1, 17211564040), (2, 8605782020), (4, 4302891010), (5, 3442312808), (8, 2151445505), (10, 1721156404), (11, 1564687640), (20, 860578202), (22, 782343820), (40, 430289101), (44, 391171910), (55, 312937528), (88, 195585955), (89, 193388360), (110, 156468764), (178, 96694180), (220, 78234382), (356, 48347090), (440, 39117191), (445, 38677672), (712, 24173545), (890, 19338836), (979, 17580760), (1780, 9669418), (1958, 8790380), (3560, 4834709), (3916, 4395190), (4895, 3516152), (7832, 2197595), (9790, 1758076), (19580, 879038), (39160, 439519)]